20831148

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 59881920

約数和(自身を除く): 39050772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 108, 111, 117, 148, 156, 222, 234, 333, 351, 401, 444, 468, 481, 666, 702, 802, 962, 999, 1203, 1332, 1404, 1443, 1604, 1924, 1998, 2406, 2886, 3609, 3996, 4329, 4812, 5213, 5772, 7218, 8658, 10426, 10827, 12987, 14436, 14837, 15639, 17316, 20852, 21654, 25974, 29674, 31278, 43308, 44511, 46917, 51948, 59348, 62556, 89022, 93834, 133533, 140751, 178044, 187668, 192881, 267066, 281502, 385762, 400599, 534132, 563004, 578643, 771524, 801198, 1157286, 1602396, 1735929, 2314572, 3471858, 5207787, 6943716, 10415574, 20831148]

約数ペア:

[(1, 20831148), (2, 10415574), (3, 6943716), (4, 5207787), (6, 3471858), (9, 2314572), (12, 1735929), (13, 1602396), (18, 1157286), (26, 801198), (27, 771524), (36, 578643), (37, 563004), (39, 534132), (52, 400599), (54, 385762), (74, 281502), (78, 267066), (108, 192881), (111, 187668), (117, 178044), (148, 140751), (156, 133533), (222, 93834), (234, 89022), (333, 62556), (351, 59348), (401, 51948), (444, 46917), (468, 44511), (481, 43308), (666, 31278), (702, 29674), (802, 25974), (962, 21654), (999, 20852), (1203, 17316), (1332, 15639), (1404, 14837), (1443, 14436), (1604, 12987), (1924, 10827), (1998, 10426), (2406, 8658), (2886, 7218), (3609, 5772), (3996, 5213), (4329, 4812)]