20731696344

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{27823}}^1$

素因数の和:28045

約数の個数: 96

約数和(自身を含む): 57295180800

約数和(自身を除く): 36563484456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 131, 158, 237, 262, 316, 393, 474, 524, 632, 711, 786, 948, 1048, 1179, 1422, 1572, 1896, 2358, 2844, 3144, 4716, 5688, 9432, 10349, 20698, 27823, 31047, 41396, 55646, 62094, 82792, 83469, 93141, 111292, 124188, 166938, 186282, 222584, 248376, 250407, 333876, 372564, 500814, 667752, 745128, 1001628, 2003256, 2198017, 3644813, 4396034, 6594051, 7289626, 8792068, 10934439, 13188102, 14579252, 17584136, 19782153, 21868878, 26376204, 29158504, 32803317, 39564306, 43737756, 52752408, 65606634, 79128612, 87475512, 131213268, 158257224, 262426536, 287940227, 575880454, 863820681, 1151760908, 1727641362, 2303521816, 2591462043, 3455282724, 5182924086, 6910565448, 10365848172, 20731696344]

約数ペア:

[(1, 20731696344), (2, 10365848172), (3, 6910565448), (4, 5182924086), (6, 3455282724), (8, 2591462043), (9, 2303521816), (12, 1727641362), (18, 1151760908), (24, 863820681), (36, 575880454), (72, 287940227), (79, 262426536), (131, 158257224), (158, 131213268), (237, 87475512), (262, 79128612), (316, 65606634), (393, 52752408), (474, 43737756), (524, 39564306), (632, 32803317), (711, 29158504), (786, 26376204), (948, 21868878), (1048, 19782153), (1179, 17584136), (1422, 14579252), (1572, 13188102), (1896, 10934439), (2358, 8792068), (2844, 7289626), (3144, 6594051), (4716, 4396034), (5688, 3644813), (9432, 2198017), (10349, 2003256), (20698, 1001628), (27823, 745128), (31047, 667752), (41396, 500814), (55646, 372564), (62094, 333876), (82792, 250407), (83469, 248376), (93141, 222584), (111292, 186282), (124188, 166938)]