20370402

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 47855808

約数和(自身を除く): 27485406

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 263, 331, 526, 662, 789, 993, 1578, 1986, 2367, 2979, 3419, 4303, 4734, 5958, 6838, 8606, 10257, 12909, 20514, 25818, 30771, 38727, 61542, 77454, 87053, 174106, 261159, 522318, 783477, 1131689, 1566954, 2263378, 3395067, 6790134, 10185201, 20370402]

約数ペア:

[(1, 20370402), (2, 10185201), (3, 6790134), (6, 3395067), (9, 2263378), (13, 1566954), (18, 1131689), (26, 783477), (39, 522318), (78, 261159), (117, 174106), (234, 87053), (263, 77454), (331, 61542), (526, 38727), (662, 30771), (789, 25818), (993, 20514), (1578, 12909), (1986, 10257), (2367, 8606), (2979, 6838), (3419, 5958), (4303, 4734)]