20808991896

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1608611}}^1$

素因数の和:1608645

約数の個数: 96

約数和(自身を含む): 66017436480

約数和(自身を除く): 45208444584

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 132, 147, 154, 168, 196, 231, 264, 294, 308, 392, 462, 539, 588, 616, 924, 1078, 1176, 1617, 1848, 2156, 3234, 4312, 6468, 12936, 1608611, 3217222, 4825833, 6434444, 9651666, 11260277, 12868888, 17694721, 19303332, 22520554, 33780831, 35389442, 38606664, 45041108, 53084163, 67561662, 70778884, 78821939, 90082216, 106168326, 123863047, 135123324, 141557768, 157643878, 212336652, 236465817, 247726094, 270246648, 315287756, 371589141, 424673304, 472931634, 495452188, 630575512, 743178282, 867041329, 945863268, 990904376, 1486356564, 1734082658, 1891726536, 2601123987, 2972713128, 3468165316, 5202247974, 6936330632, 10404495948, 20808991896]

約数ペア:

[(1, 20808991896), (2, 10404495948), (3, 6936330632), (4, 5202247974), (6, 3468165316), (7, 2972713128), (8, 2601123987), (11, 1891726536), (12, 1734082658), (14, 1486356564), (21, 990904376), (22, 945863268), (24, 867041329), (28, 743178282), (33, 630575512), (42, 495452188), (44, 472931634), (49, 424673304), (56, 371589141), (66, 315287756), (77, 270246648), (84, 247726094), (88, 236465817), (98, 212336652), (132, 157643878), (147, 141557768), (154, 135123324), (168, 123863047), (196, 106168326), (231, 90082216), (264, 78821939), (294, 70778884), (308, 67561662), (392, 53084163), (462, 45041108), (539, 38606664), (588, 35389442), (616, 33780831), (924, 22520554), (1078, 19303332), (1176, 17694721), (1617, 12868888), (1848, 11260277), (2156, 9651666), (3234, 6434444), (4312, 4825833), (6468, 3217222), (12936, 1608611)]