20235579880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7253}}^1\times {\mathrm{3671}}^1$

素因数の和:10954

約数の個数: 64

約数和(自身を含む): 47946038400

約数和(自身を除く): 27710458520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3671, 7253, 7342, 14506, 14684, 18355, 29012, 29368, 36265, 36710, 58024, 69749, 72530, 73420, 137807, 139498, 145060, 146840, 275614, 278996, 290120, 348745, 551228, 557992, 689035, 697490, 1102456, 1378070, 1394980, 2756140, 2789960, 5512280, 26625763, 53251526, 106503052, 133128815, 213006104, 266257630, 505889497, 532515260, 1011778994, 1065030520, 2023557988, 2529447485, 4047115976, 5058894970, 10117789940, 20235579880]

約数ペア:

[(1, 20235579880), (2, 10117789940), (4, 5058894970), (5, 4047115976), (8, 2529447485), (10, 2023557988), (19, 1065030520), (20, 1011778994), (38, 532515260), (40, 505889497), (76, 266257630), (95, 213006104), (152, 133128815), (190, 106503052), (380, 53251526), (760, 26625763), (3671, 5512280), (7253, 2789960), (7342, 2756140), (14506, 1394980), (14684, 1378070), (18355, 1102456), (29012, 697490), (29368, 689035), (36265, 557992), (36710, 551228), (58024, 348745), (69749, 290120), (72530, 278996), (73420, 275614), (137807, 146840), (139498, 145060)]