20177470075

素因数分解:

$5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1\times {\mathrm{2143}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 28865581056

約数和(自身を除く): 8688110981

約数列:

[1, 5, 7, 25, 35, 173, 175, 311, 865, 1211, 1555, 2143, 2177, 4325, 6055, 7775, 10715, 10885, 15001, 30275, 53575, 53803, 54425, 75005, 269015, 370739, 375025, 376621, 666473, 1345075, 1853695, 1883105, 2595173, 3332365, 4665311, 9268475, 9415525, 12975865, 16661825, 23326555, 64879325, 115299829, 116632775, 576499145, 807098803, 2882495725, 4035494015, 20177470075]

約数ペア:

[(1, 20177470075), (5, 4035494015), (7, 2882495725), (25, 807098803), (35, 576499145), (173, 116632775), (175, 115299829), (311, 64879325), (865, 23326555), (1211, 16661825), (1555, 12975865), (2143, 9415525), (2177, 9268475), (4325, 4665311), (6055, 3332365), (7775, 2595173), (10715, 1883105), (10885, 1853695), (15001, 1345075), (30275, 666473), (53575, 376621), (53803, 375025), (54425, 370739), (75005, 269015)]