20153412

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 53429376

約数和(自身を除く): 33275964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 129, 141, 172, 188, 258, 277, 282, 387, 423, 516, 554, 564, 774, 831, 846, 1108, 1548, 1662, 1692, 2021, 2493, 3324, 4042, 4986, 6063, 8084, 9972, 11911, 12126, 13019, 18189, 23822, 24252, 26038, 35733, 36378, 39057, 47644, 52076, 71466, 72756, 78114, 107199, 117171, 142932, 156228, 214398, 234342, 428796, 468684, 559817, 1119634, 1679451, 2239268, 3358902, 5038353, 6717804, 10076706, 20153412]

約数ペア:

[(1, 20153412), (2, 10076706), (3, 6717804), (4, 5038353), (6, 3358902), (9, 2239268), (12, 1679451), (18, 1119634), (36, 559817), (43, 468684), (47, 428796), (86, 234342), (94, 214398), (129, 156228), (141, 142932), (172, 117171), (188, 107199), (258, 78114), (277, 72756), (282, 71466), (387, 52076), (423, 47644), (516, 39057), (554, 36378), (564, 35733), (774, 26038), (831, 24252), (846, 23822), (1108, 18189), (1548, 13019), (1662, 12126), (1692, 11911), (2021, 9972), (2493, 8084), (3324, 6063), (4042, 4986)]