20198093710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{14879}}^1$

素因数の和:15097

約数の個数: 64

約数和(自身を含む): 39083212800

約数和(自身を除く): 18885119090

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 151, 155, 290, 302, 310, 755, 899, 1510, 1798, 4379, 4495, 4681, 8758, 8990, 9362, 14879, 21895, 23405, 29758, 43790, 46810, 74395, 135749, 148790, 271498, 431491, 461249, 678745, 862982, 922498, 1357490, 2157455, 2246729, 2306245, 4314910, 4493458, 4612490, 11233645, 13376221, 22467290, 26752442, 65155141, 66881105, 69648599, 130310282, 133762210, 139297198, 325775705, 348242995, 651551410, 696485990, 2019809371, 4039618742, 10099046855, 20198093710]

約数ペア:

[(1, 20198093710), (2, 10099046855), (5, 4039618742), (10, 2019809371), (29, 696485990), (31, 651551410), (58, 348242995), (62, 325775705), (145, 139297198), (151, 133762210), (155, 130310282), (290, 69648599), (302, 66881105), (310, 65155141), (755, 26752442), (899, 22467290), (1510, 13376221), (1798, 11233645), (4379, 4612490), (4495, 4493458), (4681, 4314910), (8758, 2306245), (8990, 2246729), (9362, 2157455), (14879, 1357490), (21895, 922498), (23405, 862982), (29758, 678745), (43790, 461249), (46810, 431491), (74395, 271498), (135749, 148790)]