20485840872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{5443}}^1$

素因数の和:6023

約数の個数: 128

約数和(自身を含む): 60018140160

約数和(自身を除く): 39532299288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 521, 602, 903, 1032, 1042, 1204, 1563, 1806, 2084, 2408, 3126, 3612, 3647, 4168, 5443, 6252, 7224, 7294, 10886, 10941, 12504, 14588, 16329, 21772, 21882, 22403, 29176, 32658, 38101, 43544, 43764, 44806, 65316, 67209, 76202, 87528, 89612, 114303, 130632, 134418, 152404, 156821, 179224, 228606, 234049, 268836, 304808, 313642, 457212, 468098, 470463, 537672, 627284, 702147, 914424, 936196, 940926, 1254568, 1404294, 1638343, 1872392, 1881852, 2808588, 2835803, 3276686, 3763704, 4915029, 5617176, 5671606, 6553372, 8507409, 9830058, 11343212, 13106744, 17014818, 19660116, 19850621, 22686424, 34029636, 39320232, 39701242, 59551863, 68059272, 79402484, 119103726, 121939529, 158804968, 238207452, 243879058, 365818587, 476414904, 487758116, 731637174, 853576703, 975516232, 1463274348, 1707153406, 2560730109, 2926548696, 3414306812, 5121460218, 6828613624, 10242920436, 20485840872]

約数ペア:

[(1, 20485840872), (2, 10242920436), (3, 6828613624), (4, 5121460218), (6, 3414306812), (7, 2926548696), (8, 2560730109), (12, 1707153406), (14, 1463274348), (21, 975516232), (24, 853576703), (28, 731637174), (42, 487758116), (43, 476414904), (56, 365818587), (84, 243879058), (86, 238207452), (129, 158804968), (168, 121939529), (172, 119103726), (258, 79402484), (301, 68059272), (344, 59551863), (516, 39701242), (521, 39320232), (602, 34029636), (903, 22686424), (1032, 19850621), (1042, 19660116), (1204, 17014818), (1563, 13106744), (1806, 11343212), (2084, 9830058), (2408, 8507409), (3126, 6553372), (3612, 5671606), (3647, 5617176), (4168, 4915029), (5443, 3763704), (6252, 3276686), (7224, 2835803), (7294, 2808588), (10886, 1881852), (10941, 1872392), (12504, 1638343), (14588, 1404294), (16329, 1254568), (21772, 940926), (21882, 936196), (22403, 914424), (29176, 702147), (32658, 627284), (38101, 537672), (43544, 470463), (43764, 468098), (44806, 457212), (65316, 313642), (67209, 304808), (76202, 268836), (87528, 234049), (89612, 228606), (114303, 179224), (130632, 156821), (134418, 152404)]