20001692788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4297}}^1$

素因数の和:4470

約数の個数: 144

約数和(自身を含む): 47413610496

約数和(自身を除く): 27411917708

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 127, 154, 187, 196, 238, 254, 308, 374, 476, 508, 539, 748, 833, 889, 1078, 1309, 1397, 1666, 1778, 2156, 2159, 2618, 2794, 3332, 3556, 4297, 4318, 5236, 5588, 6223, 8594, 8636, 9163, 9779, 12446, 15113, 17188, 18326, 19558, 23749, 24892, 30079, 30226, 36652, 39116, 47267, 47498, 60158, 60452, 68453, 73049, 94534, 94996, 105791, 120316, 136906, 146098, 166243, 189068, 210553, 211582, 273812, 292196, 330869, 332486, 421106, 423164, 511343, 545719, 661738, 664972, 803539, 842212, 1022686, 1091438, 1163701, 1323476, 1607078, 2045372, 2182876, 2316083, 2327402, 3214156, 3579401, 3820033, 4632166, 4654804, 5624773, 6002909, 7158802, 7640066, 9264332, 9277223, 11249546, 12005818, 14317604, 15280132, 18554446, 22499092, 24011636, 26740231, 37108892, 39373411, 42020363, 53480462, 64940561, 78746822, 84040726, 102049453, 106960924, 129881122, 157493644, 168081452, 204098906, 259762244, 294142541, 408197812, 454583927, 588285082, 714346171, 909167854, 1176570164, 1428692342, 1818335708, 2857384684, 5000423197, 10000846394, 20001692788]

約数ペア:

[(1, 20001692788), (2, 10000846394), (4, 5000423197), (7, 2857384684), (11, 1818335708), (14, 1428692342), (17, 1176570164), (22, 909167854), (28, 714346171), (34, 588285082), (44, 454583927), (49, 408197812), (68, 294142541), (77, 259762244), (98, 204098906), (119, 168081452), (127, 157493644), (154, 129881122), (187, 106960924), (196, 102049453), (238, 84040726), (254, 78746822), (308, 64940561), (374, 53480462), (476, 42020363), (508, 39373411), (539, 37108892), (748, 26740231), (833, 24011636), (889, 22499092), (1078, 18554446), (1309, 15280132), (1397, 14317604), (1666, 12005818), (1778, 11249546), (2156, 9277223), (2159, 9264332), (2618, 7640066), (2794, 7158802), (3332, 6002909), (3556, 5624773), (4297, 4654804), (4318, 4632166), (5236, 3820033), (5588, 3579401), (6223, 3214156), (8594, 2327402), (8636, 2316083), (9163, 2182876), (9779, 2045372), (12446, 1607078), (15113, 1323476), (17188, 1163701), (18326, 1091438), (19558, 1022686), (23749, 842212), (24892, 803539), (30079, 664972), (30226, 661738), (36652, 545719), (39116, 511343), (47267, 423164), (47498, 421106), (60158, 332486), (60452, 330869), (68453, 292196), (73049, 273812), (94534, 211582), (94996, 210553), (105791, 189068), (120316, 166243), (136906, 146098)]