20122672472

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{43403}}^1$

素因数の和:43920

約数の個数: 64

約数和(自身を含む): 45751288320

約数和(自身を除く): 25628615848

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 487, 952, 974, 1948, 3409, 3896, 6818, 8279, 13636, 16558, 27272, 33116, 43403, 57953, 66232, 86806, 115906, 173612, 231812, 303821, 347224, 463624, 607642, 737851, 1215284, 1475702, 2430568, 2951404, 5164957, 5902808, 10329914, 20659828, 21137261, 41319656, 42274522, 84549044, 147960827, 169098088, 295921654, 359333437, 591843308, 718666874, 1183686616, 1437333748, 2515334059, 2874667496, 5030668118, 10061336236, 20122672472]

約数ペア:

[(1, 20122672472), (2, 10061336236), (4, 5030668118), (7, 2874667496), (8, 2515334059), (14, 1437333748), (17, 1183686616), (28, 718666874), (34, 591843308), (56, 359333437), (68, 295921654), (119, 169098088), (136, 147960827), (238, 84549044), (476, 42274522), (487, 41319656), (952, 21137261), (974, 20659828), (1948, 10329914), (3409, 5902808), (3896, 5164957), (6818, 2951404), (8279, 2430568), (13636, 1475702), (16558, 1215284), (27272, 737851), (33116, 607642), (43403, 463624), (57953, 347224), (66232, 303821), (86806, 231812), (115906, 173612)]