20147642225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{1229}}^1\times {\mathrm{2269}}^1$

素因数の和:3542

約数の個数: 36

約数和(自身を含む): 26572415700

約数和(自身を除く): 6424773475

約数列:

[1, 5, 17, 25, 85, 289, 425, 1229, 1445, 2269, 6145, 7225, 11345, 20893, 30725, 38573, 56725, 104465, 192865, 355181, 522325, 655741, 964325, 1775905, 2788601, 3278705, 8879525, 13943005, 16393525, 47406217, 69715025, 237031085, 805905689, 1185155425, 4029528445, 20147642225]

約数ペア:

[(1, 20147642225), (5, 4029528445), (17, 1185155425), (25, 805905689), (85, 237031085), (289, 69715025), (425, 47406217), (1229, 16393525), (1445, 13943005), (2269, 8879525), (6145, 3278705), (7225, 2788601), (11345, 1775905), (20893, 964325), (30725, 655741), (38573, 522325), (56725, 355181), (104465, 192865)]