20175773672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1\times {\mathrm{1373}}^1$

素因数の和:2210

約数の個数: 64

約数和(自身を含む): 40386366720

約数和(自身を除く): 20210593048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 167, 334, 647, 668, 1294, 1336, 1373, 2588, 2746, 2839, 5176, 5492, 5678, 10984, 10999, 11356, 21998, 22712, 23341, 43996, 46682, 87992, 93364, 108049, 186728, 216098, 229291, 432196, 458582, 864392, 888331, 917164, 1776662, 1834328, 1836833, 3553324, 3673666, 3897947, 7106648, 7347332, 7795894, 14694664, 15101627, 15591788, 30203254, 31183576, 60406508, 120813016, 148351277, 296702554, 593405108, 1186810216, 2521971709, 5043943418, 10087886836, 20175773672]

約数ペア:

[(1, 20175773672), (2, 10087886836), (4, 5043943418), (8, 2521971709), (17, 1186810216), (34, 593405108), (68, 296702554), (136, 148351277), (167, 120813016), (334, 60406508), (647, 31183576), (668, 30203254), (1294, 15591788), (1336, 15101627), (1373, 14694664), (2588, 7795894), (2746, 7347332), (2839, 7106648), (5176, 3897947), (5492, 3673666), (5678, 3553324), (10984, 1836833), (10999, 1834328), (11356, 1776662), (21998, 917164), (22712, 888331), (23341, 864392), (43996, 458582), (46682, 432196), (87992, 229291), (93364, 216098), (108049, 186728)]