20302216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 45178560

約数和(自身を除く): 24876344

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 41, 44, 68, 82, 88, 136, 164, 187, 328, 331, 374, 451, 662, 697, 748, 902, 1324, 1394, 1496, 1804, 2648, 2788, 3608, 3641, 5576, 5627, 7282, 7667, 11254, 13571, 14564, 15334, 22508, 27142, 29128, 30668, 45016, 54284, 61336, 61897, 108568, 123794, 149281, 230707, 247588, 298562, 461414, 495176, 597124, 922828, 1194248, 1845656, 2537777, 5075554, 10151108, 20302216]

約数ペア:

[(1, 20302216), (2, 10151108), (4, 5075554), (8, 2537777), (11, 1845656), (17, 1194248), (22, 922828), (34, 597124), (41, 495176), (44, 461414), (68, 298562), (82, 247588), (88, 230707), (136, 149281), (164, 123794), (187, 108568), (328, 61897), (331, 61336), (374, 54284), (451, 45016), (662, 30668), (697, 29128), (748, 27142), (902, 22508), (1324, 15334), (1394, 14564), (1496, 13571), (1804, 11254), (2648, 7667), (2788, 7282), (3608, 5627), (3641, 5576)]