20280922308

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{29179}}^1$

素因数の和:29681

約数の個数: 72

約数和(自身を含む): 52576524000

約数和(自身を除く): 32295601692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 449, 516, 774, 898, 1347, 1548, 1796, 2694, 4041, 5388, 8082, 16164, 19307, 29179, 38614, 57921, 58358, 77228, 87537, 115842, 116716, 173763, 175074, 231684, 262611, 347526, 350148, 525222, 695052, 1050444, 1254697, 2509394, 3764091, 5018788, 7528182, 11292273, 13101371, 15056364, 22584546, 26202742, 39304113, 45169092, 52405484, 78608226, 117912339, 157216452, 235824678, 471649356, 563358953, 1126717906, 1690076859, 2253435812, 3380153718, 5070230577, 6760307436, 10140461154, 20280922308]

約数ペア:

[(1, 20280922308), (2, 10140461154), (3, 6760307436), (4, 5070230577), (6, 3380153718), (9, 2253435812), (12, 1690076859), (18, 1126717906), (36, 563358953), (43, 471649356), (86, 235824678), (129, 157216452), (172, 117912339), (258, 78608226), (387, 52405484), (449, 45169092), (516, 39304113), (774, 26202742), (898, 22584546), (1347, 15056364), (1548, 13101371), (1796, 11292273), (2694, 7528182), (4041, 5018788), (5388, 3764091), (8082, 2509394), (16164, 1254697), (19307, 1050444), (29179, 695052), (38614, 525222), (57921, 350148), (58358, 347526), (77228, 262611), (87537, 231684), (115842, 175074), (116716, 173763)]