20145903652

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{1549}}^1$

素因数の和:1973

約数の個数: 96

約数和(自身を含む): 43309728000

約数和(自身を除く): 23163824348

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 307, 356, 476, 614, 623, 1228, 1246, 1513, 1549, 2149, 2492, 3026, 3098, 4298, 5219, 6052, 6196, 8596, 10438, 10591, 10843, 20876, 21182, 21686, 26333, 27323, 36533, 42364, 43372, 52666, 54646, 73066, 105332, 109292, 137861, 146132, 184331, 191261, 275722, 368662, 382522, 464491, 475543, 551444, 737324, 765044, 928982, 951086, 965027, 1857964, 1902172, 1930054, 2343637, 3251437, 3328801, 3860108, 4687274, 6502874, 6657602, 8084231, 9374548, 13005748, 13315204, 16168462, 16405459, 32336924, 32810918, 42323327, 56589617, 65621836, 84646654, 113179234, 169293308, 226358468, 296263289, 592526578, 719496559, 1185053156, 1438993118, 2877986236, 5036475913, 10072951826, 20145903652]

約数ペア:

[(1, 20145903652), (2, 10072951826), (4, 5036475913), (7, 2877986236), (14, 1438993118), (17, 1185053156), (28, 719496559), (34, 592526578), (68, 296263289), (89, 226358468), (119, 169293308), (178, 113179234), (238, 84646654), (307, 65621836), (356, 56589617), (476, 42323327), (614, 32810918), (623, 32336924), (1228, 16405459), (1246, 16168462), (1513, 13315204), (1549, 13005748), (2149, 9374548), (2492, 8084231), (3026, 6657602), (3098, 6502874), (4298, 4687274), (5219, 3860108), (6052, 3328801), (6196, 3251437), (8596, 2343637), (10438, 1930054), (10591, 1902172), (10843, 1857964), (20876, 965027), (21182, 951086), (21686, 928982), (26333, 765044), (27323, 737324), (36533, 551444), (42364, 475543), (43372, 464491), (52666, 382522), (54646, 368662), (73066, 275722), (105332, 191261), (109292, 184331), (137861, 146132)]