20121528510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{35381}}^1$

素因数の和:35554

約数の個数: 96

約数和(自身を含む): 53650434240

約数和(自身を除く): 33528905730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 89, 90, 142, 178, 213, 267, 355, 426, 445, 534, 639, 710, 801, 890, 1065, 1278, 1335, 1602, 2130, 2670, 3195, 4005, 6319, 6390, 8010, 12638, 18957, 31595, 35381, 37914, 56871, 63190, 70762, 94785, 106143, 113742, 176905, 189570, 212286, 284355, 318429, 353810, 530715, 568710, 636858, 1061430, 1592145, 2512051, 3148909, 3184290, 5024102, 6297818, 7536153, 9446727, 12560255, 15072306, 15744545, 18893454, 22608459, 25120510, 28340181, 31489090, 37680765, 45216918, 47233635, 56680362, 75361530, 94467270, 113042295, 141700905, 223572539, 226084590, 283401810, 447145078, 670717617, 1117862695, 1341435234, 2012152851, 2235725390, 3353588085, 4024305702, 6707176170, 10060764255, 20121528510]

約数ペア:

[(1, 20121528510), (2, 10060764255), (3, 6707176170), (5, 4024305702), (6, 3353588085), (9, 2235725390), (10, 2012152851), (15, 1341435234), (18, 1117862695), (30, 670717617), (45, 447145078), (71, 283401810), (89, 226084590), (90, 223572539), (142, 141700905), (178, 113042295), (213, 94467270), (267, 75361530), (355, 56680362), (426, 47233635), (445, 45216918), (534, 37680765), (639, 31489090), (710, 28340181), (801, 25120510), (890, 22608459), (1065, 18893454), (1278, 15744545), (1335, 15072306), (1602, 12560255), (2130, 9446727), (2670, 7536153), (3195, 6297818), (4005, 5024102), (6319, 3184290), (6390, 3148909), (8010, 2512051), (12638, 1592145), (18957, 1061430), (31595, 636858), (35381, 568710), (37914, 530715), (56871, 353810), (63190, 318429), (70762, 284355), (94785, 212286), (106143, 189570), (113742, 176905)]