20121056354

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:568

約数の個数: 128

約数和(自身を含む): 38618726400

約数和(自身を除く): 18497670046

約数列:

[1, 2, 7, 14, 19, 31, 38, 47, 62, 94, 133, 193, 217, 266, 269, 329, 386, 434, 538, 589, 658, 893, 1178, 1351, 1457, 1786, 1883, 2702, 2914, 3667, 3766, 4123, 5111, 5983, 6251, 7334, 8246, 8339, 9071, 10199, 10222, 11966, 12502, 12643, 16678, 18142, 20398, 25286, 25669, 27683, 35777, 41881, 51338, 51917, 55366, 58373, 63497, 71554, 83762, 88501, 103834, 113677, 116746, 126994, 158441, 172349, 177002, 193781, 227354, 240217, 281201, 316882, 344698, 363419, 387562, 391933, 480434, 562402, 726838, 783866, 795739, 986423, 1109087, 1206443, 1591478, 1609427, 1681519, 1968407, 1972846, 2218174, 2412886, 2440099, 2743531, 3218854, 3363038, 3936814, 4880198, 5342819, 5487062, 6904961, 7446727, 10685638, 11265989, 13809922, 14893454, 17080693, 22531978, 30579113, 34161386, 37399733, 46361881, 52127089, 61158226, 74799466, 75643069, 92723762, 104254178, 151286138, 214053791, 324533167, 428107582, 529501483, 649066334, 1059002966, 1437218311, 2874436622, 10060528177, 20121056354]

約数ペア:

[(1, 20121056354), (2, 10060528177), (7, 2874436622), (14, 1437218311), (19, 1059002966), (31, 649066334), (38, 529501483), (47, 428107582), (62, 324533167), (94, 214053791), (133, 151286138), (193, 104254178), (217, 92723762), (266, 75643069), (269, 74799466), (329, 61158226), (386, 52127089), (434, 46361881), (538, 37399733), (589, 34161386), (658, 30579113), (893, 22531978), (1178, 17080693), (1351, 14893454), (1457, 13809922), (1786, 11265989), (1883, 10685638), (2702, 7446727), (2914, 6904961), (3667, 5487062), (3766, 5342819), (4123, 4880198), (5111, 3936814), (5983, 3363038), (6251, 3218854), (7334, 2743531), (8246, 2440099), (8339, 2412886), (9071, 2218174), (10199, 1972846), (10222, 1968407), (11966, 1681519), (12502, 1609427), (12643, 1591478), (16678, 1206443), (18142, 1109087), (20398, 986423), (25286, 795739), (25669, 783866), (27683, 726838), (35777, 562402), (41881, 480434), (51338, 391933), (51917, 387562), (55366, 363419), (58373, 344698), (63497, 316882), (71554, 281201), (83762, 240217), (88501, 227354), (103834, 193781), (113677, 177002), (116746, 172349), (126994, 158441)]