20341600550

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{12781}}^1$

素因数の和:13161

約数の個数: 48

約数和(自身を含む): 38276977200

約数和(自身を除く): 17935376650

約数列:

[1, 2, 5, 10, 25, 50, 139, 229, 278, 458, 695, 1145, 1390, 2290, 3475, 5725, 6950, 11450, 12781, 25562, 31831, 63662, 63905, 127810, 159155, 318310, 319525, 639050, 795775, 1591550, 1776559, 2926849, 3553118, 5853698, 8882795, 14634245, 17765590, 29268490, 44413975, 73171225, 88827950, 146342450, 406832011, 813664022, 2034160055, 4068320110, 10170800275, 20341600550]

約数ペア:

[(1, 20341600550), (2, 10170800275), (5, 4068320110), (10, 2034160055), (25, 813664022), (50, 406832011), (139, 146342450), (229, 88827950), (278, 73171225), (458, 44413975), (695, 29268490), (1145, 17765590), (1390, 14634245), (2290, 8882795), (3475, 5853698), (5725, 3553118), (6950, 2926849), (11450, 1776559), (12781, 1591550), (25562, 795775), (31831, 639050), (63662, 319525), (63905, 318310), (127810, 159155)]