20237597890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2741}}^1\times {\mathrm{10399}}^1$

素因数の和:13218

約数の個数: 32

約数和(自身を含む): 36957772800

約数和(自身を除く): 16720174910

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2741, 5482, 10399, 13705, 20798, 27410, 51995, 103990, 194611, 389222, 738329, 973055, 1476658, 1946110, 3691645, 7383290, 28503659, 57007318, 142518295, 285036590, 2023759789, 4047519578, 10118798945, 20237597890]

約数ペア:

[(1, 20237597890), (2, 10118798945), (5, 4047519578), (10, 2023759789), (71, 285036590), (142, 142518295), (355, 57007318), (710, 28503659), (2741, 7383290), (5482, 3691645), (10399, 1946110), (13705, 1476658), (20798, 973055), (27410, 738329), (51995, 389222), (103990, 194611)]