20813379816

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{150377}}^1$

素因数の和:150538

約数の個数: 64

約数和(自身を含む): 53414265600

約数和(自身を除く): 32600885784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 79, 146, 158, 219, 237, 292, 316, 438, 474, 584, 632, 876, 948, 1752, 1896, 5767, 11534, 17301, 23068, 34602, 46136, 69204, 138408, 150377, 300754, 451131, 601508, 902262, 1203016, 1804524, 3609048, 10977521, 11879783, 21955042, 23759566, 32932563, 35639349, 43910084, 47519132, 65865126, 71278698, 87820168, 95038264, 131730252, 142557396, 263460504, 285114792, 867224159, 1734448318, 2601672477, 3468896636, 5203344954, 6937793272, 10406689908, 20813379816]

約数ペア:

[(1, 20813379816), (2, 10406689908), (3, 6937793272), (4, 5203344954), (6, 3468896636), (8, 2601672477), (12, 1734448318), (24, 867224159), (73, 285114792), (79, 263460504), (146, 142557396), (158, 131730252), (219, 95038264), (237, 87820168), (292, 71278698), (316, 65865126), (438, 47519132), (474, 43910084), (584, 35639349), (632, 32932563), (876, 23759566), (948, 21955042), (1752, 11879783), (1896, 10977521), (5767, 3609048), (11534, 1804524), (17301, 1203016), (23068, 902262), (34602, 601508), (46136, 451131), (69204, 300754), (138408, 150377)]