20521739160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4384987}}^1$

素因数の和:4385017

約数の個数: 96

約数和(自身を含む): 71826103440

約数和(自身を除く): 51304364280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4384987, 8769974, 13154961, 17539948, 21924935, 26309922, 35079896, 39464883, 43849870, 52619844, 57004831, 65774805, 78929766, 87699740, 105239688, 114009662, 131549610, 157859532, 171014493, 175399480, 197324415, 228019324, 263099220, 285024155, 315719064, 342028986, 394648830, 456038648, 513043479, 526198440, 570048310, 684057972, 789297660, 855072465, 1026086958, 1140096620, 1368115944, 1578595320, 1710144930, 2052173916, 2280193240, 2565217395, 3420289860, 4104347832, 5130434790, 6840579720, 10260869580, 20521739160]

約数ペア:

[(1, 20521739160), (2, 10260869580), (3, 6840579720), (4, 5130434790), (5, 4104347832), (6, 3420289860), (8, 2565217395), (9, 2280193240), (10, 2052173916), (12, 1710144930), (13, 1578595320), (15, 1368115944), (18, 1140096620), (20, 1026086958), (24, 855072465), (26, 789297660), (30, 684057972), (36, 570048310), (39, 526198440), (40, 513043479), (45, 456038648), (52, 394648830), (60, 342028986), (65, 315719064), (72, 285024155), (78, 263099220), (90, 228019324), (104, 197324415), (117, 175399480), (120, 171014493), (130, 157859532), (156, 131549610), (180, 114009662), (195, 105239688), (234, 87699740), (260, 78929766), (312, 65774805), (360, 57004831), (390, 52619844), (468, 43849870), (520, 39464883), (585, 35079896), (780, 26309922), (936, 21924935), (1170, 17539948), (1560, 13154961), (2340, 8769974), (4680, 4384987)]