20683806735

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^2$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 36318896640

約数和(自身を除く): 15635089905

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 107, 115, 139, 145, 321, 345, 417, 435, 535, 667, 695, 1605, 2001, 2085, 2461, 3103, 3197, 3335, 4031, 7383, 9309, 9591, 10005, 12093, 12305, 14873, 15515, 15985, 19321, 20155, 36915, 44619, 46545, 47955, 57963, 60465, 71369, 74365, 92713, 96605, 214107, 223095, 278139, 289815, 342079, 356845, 431317, 444383, 463565, 560309, 1026237, 1070535, 1293951, 1333149, 1390695, 1680927, 1710395, 2067347, 2156585, 2221915, 2801545, 5131185, 6202041, 6469755, 6665745, 8404635, 9920291, 10336735, 12887107, 29760873, 31010205, 38661321, 47548981, 49601455, 59953063, 64435535, 142646943, 148804365, 179859189, 193306605, 237744905, 299765315, 713234715, 899295945, 1378920449, 4136761347, 6894602245, 20683806735]

約数ペア:

[(1, 20683806735), (3, 6894602245), (5, 4136761347), (15, 1378920449), (23, 899295945), (29, 713234715), (69, 299765315), (87, 237744905), (107, 193306605), (115, 179859189), (139, 148804365), (145, 142646943), (321, 64435535), (345, 59953063), (417, 49601455), (435, 47548981), (535, 38661321), (667, 31010205), (695, 29760873), (1605, 12887107), (2001, 10336735), (2085, 9920291), (2461, 8404635), (3103, 6665745), (3197, 6469755), (3335, 6202041), (4031, 5131185), (7383, 2801545), (9309, 2221915), (9591, 2156585), (10005, 2067347), (12093, 1710395), (12305, 1680927), (14873, 1390695), (15515, 1333149), (15985, 1293951), (19321, 1070535), (20155, 1026237), (36915, 560309), (44619, 463565), (46545, 444383), (47955, 431317), (57963, 356845), (60465, 342079), (71369, 289815), (74365, 278139), (92713, 223095), (96605, 214107)]