20585060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 24412060

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 359, 470, 610, 718, 940, 1220, 1436, 1795, 2867, 3590, 5734, 7180, 11468, 14335, 16873, 21899, 28670, 33746, 43798, 57340, 67492, 84365, 87596, 109495, 168730, 218990, 337460, 437980, 1029253, 2058506, 4117012, 5146265, 10292530, 20585060]

約数ペア:

[(1, 20585060), (2, 10292530), (4, 5146265), (5, 4117012), (10, 2058506), (20, 1029253), (47, 437980), (61, 337460), (94, 218990), (122, 168730), (188, 109495), (235, 87596), (244, 84365), (305, 67492), (359, 57340), (470, 43798), (610, 33746), (718, 28670), (940, 21899), (1220, 16873), (1436, 14335), (1795, 11468), (2867, 7180), (3590, 5734)]