20196894546

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{2551}}^1$

素因数の和:2848

約数の個数: 96

約数和(自身を含む): 45876834432

約数和(自身を除く): 25679939886

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 106, 129, 159, 193, 258, 318, 386, 387, 477, 579, 774, 954, 1158, 1737, 2279, 2551, 3474, 4558, 5102, 6837, 7653, 8299, 10229, 13674, 15306, 16598, 20458, 20511, 22959, 24897, 30687, 41022, 45918, 49794, 61374, 74691, 92061, 109693, 135203, 149382, 184122, 219386, 270406, 329079, 405609, 439847, 492343, 658158, 811218, 879694, 984686, 987237, 1216827, 1319541, 1477029, 1974474, 2433654, 2639082, 2954058, 3958623, 4431087, 5813729, 7917246, 8862174, 11627458, 17441187, 21170749, 26094179, 34882374, 42341498, 52188358, 52323561, 63512247, 78282537, 104647122, 127024494, 156565074, 190536741, 234847611, 381073482, 469695222, 1122049697, 2244099394, 3366149091, 6732298182, 10098447273, 20196894546]

約数ペア:

[(1, 20196894546), (2, 10098447273), (3, 6732298182), (6, 3366149091), (9, 2244099394), (18, 1122049697), (43, 469695222), (53, 381073482), (86, 234847611), (106, 190536741), (129, 156565074), (159, 127024494), (193, 104647122), (258, 78282537), (318, 63512247), (386, 52323561), (387, 52188358), (477, 42341498), (579, 34882374), (774, 26094179), (954, 21170749), (1158, 17441187), (1737, 11627458), (2279, 8862174), (2551, 7917246), (3474, 5813729), (4558, 4431087), (5102, 3958623), (6837, 2954058), (7653, 2639082), (8299, 2433654), (10229, 1974474), (13674, 1477029), (15306, 1319541), (16598, 1216827), (20458, 987237), (20511, 984686), (22959, 879694), (24897, 811218), (30687, 658158), (41022, 492343), (45918, 439847), (49794, 405609), (61374, 329079), (74691, 270406), (92061, 219386), (109693, 184122), (135203, 149382)]