20311902

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1505

約数の個数: 48

約数和(自身を含む): 48205248

約数和(自身を除く): 27893346

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1423, 1586, 2379, 2846, 4269, 4758, 7137, 8538, 12807, 14274, 18499, 25614, 36998, 55497, 86803, 110994, 166491, 173606, 260409, 332982, 520818, 781227, 1128439, 1562454, 2256878, 3385317, 6770634, 10155951, 20311902]

約数ペア:

[(1, 20311902), (2, 10155951), (3, 6770634), (6, 3385317), (9, 2256878), (13, 1562454), (18, 1128439), (26, 781227), (39, 520818), (61, 332982), (78, 260409), (117, 173606), (122, 166491), (183, 110994), (234, 86803), (366, 55497), (549, 36998), (793, 25614), (1098, 18499), (1423, 14274), (1586, 12807), (2379, 8538), (2846, 7137), (4269, 4758)]