20512223072

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:605

約数の個数: 192

約数和(自身を含む): 47606952960

約数和(自身を除く): 27094729888

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 61, 76, 88, 122, 137, 152, 176, 209, 244, 274, 304, 352, 367, 418, 488, 548, 608, 671, 734, 836, 976, 1096, 1159, 1342, 1468, 1507, 1672, 1952, 2192, 2318, 2603, 2684, 2936, 3014, 3344, 4037, 4384, 4636, 5206, 5368, 5872, 6028, 6688, 6973, 8074, 8357, 9272, 10412, 10736, 11744, 12056, 12749, 13946, 16148, 16714, 18544, 20824, 21472, 22387, 24112, 25498, 27892, 28633, 32296, 33428, 37088, 41648, 44774, 48224, 50279, 50996, 55784, 57266, 64592, 66856, 76703, 83296, 89548, 91927, 100558, 101992, 111568, 114532, 129184, 133712, 153406, 158783, 179096, 183854, 201116, 203984, 223136, 229064, 246257, 267424, 306812, 317566, 358192, 367708, 402232, 407968, 425353, 458128, 492514, 553069, 613624, 635132, 716384, 735416, 804464, 850706, 916256, 955301, 985028, 1106138, 1227248, 1270264, 1470832, 1608928, 1701412, 1746613, 1910602, 1970056, 2212276, 2454496, 2540528, 2941664, 3067019, 3402824, 3493226, 3821204, 3940112, 4424552, 4678883, 5081056, 6134038, 6805648, 6986452, 7642408, 7880224, 8849104, 9357766, 10508311, 12268076, 13611296, 13972904, 15284816, 17698208, 18715532, 21016622, 24536152, 27945808, 30569632, 33737209, 37431064, 42033244, 49072304, 55891616, 58273361, 67474418, 74862128, 84066488, 98144608, 116546722, 134948836, 149724256, 168132976, 233093444, 269897672, 336265952, 466186888, 539795344, 641006971, 932373776, 1079590688, 1282013942, 1864747552, 2564027884, 5128055768, 10256111536, 20512223072]

約数ペア:

[(1, 20512223072), (2, 10256111536), (4, 5128055768), (8, 2564027884), (11, 1864747552), (16, 1282013942), (19, 1079590688), (22, 932373776), (32, 641006971), (38, 539795344), (44, 466186888), (61, 336265952), (76, 269897672), (88, 233093444), (122, 168132976), (137, 149724256), (152, 134948836), (176, 116546722), (209, 98144608), (244, 84066488), (274, 74862128), (304, 67474418), (352, 58273361), (367, 55891616), (418, 49072304), (488, 42033244), (548, 37431064), (608, 33737209), (671, 30569632), (734, 27945808), (836, 24536152), (976, 21016622), (1096, 18715532), (1159, 17698208), (1342, 15284816), (1468, 13972904), (1507, 13611296), (1672, 12268076), (1952, 10508311), (2192, 9357766), (2318, 8849104), (2603, 7880224), (2684, 7642408), (2936, 6986452), (3014, 6805648), (3344, 6134038), (4037, 5081056), (4384, 4678883), (4636, 4424552), (5206, 3940112), (5368, 3821204), (5872, 3493226), (6028, 3402824), (6688, 3067019), (6973, 2941664), (8074, 2540528), (8357, 2454496), (9272, 2212276), (10412, 1970056), (10736, 1910602), (11744, 1746613), (12056, 1701412), (12749, 1608928), (13946, 1470832), (16148, 1270264), (16714, 1227248), (18544, 1106138), (20824, 985028), (21472, 955301), (22387, 916256), (24112, 850706), (25498, 804464), (27892, 735416), (28633, 716384), (32296, 635132), (33428, 613624), (37088, 553069), (41648, 492514), (44774, 458128), (48224, 425353), (50279, 407968), (50996, 402232), (55784, 367708), (57266, 358192), (64592, 317566), (66856, 306812), (76703, 267424), (83296, 246257), (89548, 229064), (91927, 223136), (100558, 203984), (101992, 201116), (111568, 183854), (114532, 179096), (129184, 158783), (133712, 153406)]