20472925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 27989280

約数和(自身を除く): 7516355

約数列:

[1, 5, 11, 25, 55, 109, 275, 545, 683, 1199, 2725, 3415, 5995, 7513, 17075, 29975, 37565, 74447, 187825, 372235, 818917, 1861175, 4094585, 20472925]

約数ペア:

[(1, 20472925), (5, 4094585), (11, 1861175), (25, 818917), (55, 372235), (109, 187825), (275, 74447), (545, 37565), (683, 29975), (1199, 17075), (2725, 7513), (3415, 5995)]