20210080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11483}}^1$

素因数の和:11509

約数の個数: 48

約数和(自身を含む): 52091424

約数和(自身を除く): 31881344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11483, 22966, 45932, 57415, 91864, 114830, 126313, 183728, 229660, 252626, 367456, 459320, 505252, 631565, 918640, 1010504, 1263130, 1837280, 2021008, 2526260, 4042016, 5052520, 10105040, 20210080]

約数ペア:

[(1, 20210080), (2, 10105040), (4, 5052520), (5, 4042016), (8, 2526260), (10, 2021008), (11, 1837280), (16, 1263130), (20, 1010504), (22, 918640), (32, 631565), (40, 505252), (44, 459320), (55, 367456), (80, 252626), (88, 229660), (110, 183728), (160, 126313), (176, 114830), (220, 91864), (352, 57415), (440, 45932), (880, 22966), (1760, 11483)]