20758184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3691}}^1$

素因数の和:3753

約数の個数: 32

約数和(自身を含む): 42088800

約数和(自身を除く): 21330616

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3691, 5624, 7382, 14764, 29528, 70129, 136567, 140258, 273134, 280516, 546268, 561032, 1092536, 2594773, 5189546, 10379092, 20758184]

約数ペア:

[(1, 20758184), (2, 10379092), (4, 5189546), (8, 2594773), (19, 1092536), (37, 561032), (38, 546268), (74, 280516), (76, 273134), (148, 140258), (152, 136567), (296, 70129), (703, 29528), (1406, 14764), (2812, 7382), (3691, 5624)]