20121019900

素因数分解:

$2^2\times 5^2\times {\mathrm{383}}^1\times {\mathrm{525353}}^1$

素因数の和:525750

約数の個数: 36

約数和(自身を含む): 43776698112

約数和(自身を除く): 23655678212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 383, 766, 1532, 1915, 3830, 7660, 9575, 19150, 38300, 525353, 1050706, 2101412, 2626765, 5253530, 10507060, 13133825, 26267650, 52535300, 201210199, 402420398, 804840796, 1006050995, 2012101990, 4024203980, 5030254975, 10060509950, 20121019900]

約数ペア:

[(1, 20121019900), (2, 10060509950), (4, 5030254975), (5, 4024203980), (10, 2012101990), (20, 1006050995), (25, 804840796), (50, 402420398), (100, 201210199), (383, 52535300), (766, 26267650), (1532, 13133825), (1915, 10507060), (3830, 5253530), (7660, 2626765), (9575, 2101412), (19150, 1050706), (38300, 525353)]