20101784990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{245653}}^1$

素因数の和:245841

約数の個数: 48

約数和(自身を含む): 42342888672

約数和(自身を除く): 22241103682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 167, 245, 334, 490, 835, 1169, 1670, 2338, 5845, 8183, 11690, 16366, 40915, 81830, 245653, 491306, 1228265, 1719571, 2456530, 3439142, 8597855, 12036997, 17195710, 24073994, 41024051, 60184985, 82048102, 120369970, 205120255, 287168357, 410240510, 574336714, 1435841785, 2010178499, 2871683570, 4020356998, 10050892495, 20101784990]

約数ペア:

[(1, 20101784990), (2, 10050892495), (5, 4020356998), (7, 2871683570), (10, 2010178499), (14, 1435841785), (35, 574336714), (49, 410240510), (70, 287168357), (98, 205120255), (167, 120369970), (245, 82048102), (334, 60184985), (490, 41024051), (835, 24073994), (1169, 17195710), (1670, 12036997), (2338, 8597855), (5845, 3439142), (8183, 2456530), (11690, 1719571), (16366, 1228265), (40915, 491306), (81830, 245653)]