20010858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 47861760

約数和(自身を除く): 27850902

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 79, 111, 158, 163, 222, 237, 259, 326, 474, 489, 518, 553, 777, 978, 1106, 1141, 1554, 1659, 2282, 2923, 3318, 3423, 5846, 6031, 6846, 8769, 12062, 12877, 17538, 18093, 20461, 25754, 36186, 38631, 40922, 42217, 61383, 77262, 84434, 90139, 122766, 126651, 180278, 253302, 270417, 476449, 540834, 952898, 1429347, 2858694, 3335143, 6670286, 10005429, 20010858]

約数ペア:

[(1, 20010858), (2, 10005429), (3, 6670286), (6, 3335143), (7, 2858694), (14, 1429347), (21, 952898), (37, 540834), (42, 476449), (74, 270417), (79, 253302), (111, 180278), (158, 126651), (163, 122766), (222, 90139), (237, 84434), (259, 77262), (326, 61383), (474, 42217), (489, 40922), (518, 38631), (553, 36186), (777, 25754), (978, 20461), (1106, 18093), (1141, 17538), (1554, 12877), (1659, 12062), (2282, 8769), (2923, 6846), (3318, 6031), (3423, 5846)]