20455433244

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{727}}^1\times {\mathrm{3413}}^1$

素因数の和:4379

約数の個数: 72

約数和(自身を含む): 52019254560

約数和(自身を除く): 31563821316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 727, 916, 1374, 1454, 2061, 2181, 2748, 2908, 3413, 4122, 4362, 6543, 6826, 8244, 8724, 10239, 13086, 13652, 20478, 26172, 30717, 40956, 61434, 122868, 166483, 332966, 499449, 665932, 781577, 998898, 1498347, 1563154, 1997796, 2344731, 2481251, 2996694, 3126308, 4689462, 4962502, 5993388, 7034193, 7443753, 9378924, 9925004, 14068386, 14887506, 22331259, 28136772, 29775012, 44662518, 89325036, 568206479, 1136412958, 1704619437, 2272825916, 3409238874, 5113858311, 6818477748, 10227716622, 20455433244]

約数ペア:

[(1, 20455433244), (2, 10227716622), (3, 6818477748), (4, 5113858311), (6, 3409238874), (9, 2272825916), (12, 1704619437), (18, 1136412958), (36, 568206479), (229, 89325036), (458, 44662518), (687, 29775012), (727, 28136772), (916, 22331259), (1374, 14887506), (1454, 14068386), (2061, 9925004), (2181, 9378924), (2748, 7443753), (2908, 7034193), (3413, 5993388), (4122, 4962502), (4362, 4689462), (6543, 3126308), (6826, 2996694), (8244, 2481251), (8724, 2344731), (10239, 1997796), (13086, 1563154), (13652, 1498347), (20478, 998898), (26172, 781577), (30717, 665932), (40956, 499449), (61434, 332966), (122868, 166483)]