20826730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 40771584

約数和(自身を除く): 19944854

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 127, 155, 230, 254, 310, 529, 635, 713, 1058, 1270, 1426, 2645, 2921, 3565, 3937, 5290, 5842, 7130, 7874, 14605, 16399, 19685, 29210, 32798, 39370, 67183, 81995, 90551, 134366, 163990, 181102, 335915, 452755, 671830, 905510, 2082673, 4165346, 10413365, 20826730]

約数ペア:

[(1, 20826730), (2, 10413365), (5, 4165346), (10, 2082673), (23, 905510), (31, 671830), (46, 452755), (62, 335915), (115, 181102), (127, 163990), (155, 134366), (230, 90551), (254, 81995), (310, 67183), (529, 39370), (635, 32798), (713, 29210), (1058, 19685), (1270, 16399), (1426, 14605), (2645, 7874), (2921, 7130), (3565, 5842), (3937, 5290)]