20423926572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{253537}}^1$

素因数の和:253695

約数の個数: 72

約数和(自身を含む): 55841237424

約数和(自身を除く): 35417310852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 274, 294, 411, 548, 588, 822, 959, 1644, 1918, 2877, 3836, 5754, 6713, 11508, 13426, 20139, 26852, 40278, 80556, 253537, 507074, 760611, 1014148, 1521222, 1774759, 3042444, 3549518, 5324277, 7099036, 10648554, 12423313, 21297108, 24846626, 34734569, 37269939, 49693252, 69469138, 74539878, 104203707, 138938276, 149079756, 208407414, 243141983, 416814828, 486283966, 729425949, 972567932, 1458851898, 1701993881, 2917703796, 3403987762, 5105981643, 6807975524, 10211963286, 20423926572]

約数ペア:

[(1, 20423926572), (2, 10211963286), (3, 6807975524), (4, 5105981643), (6, 3403987762), (7, 2917703796), (12, 1701993881), (14, 1458851898), (21, 972567932), (28, 729425949), (42, 486283966), (49, 416814828), (84, 243141983), (98, 208407414), (137, 149079756), (147, 138938276), (196, 104203707), (274, 74539878), (294, 69469138), (411, 49693252), (548, 37269939), (588, 34734569), (822, 24846626), (959, 21297108), (1644, 12423313), (1918, 10648554), (2877, 7099036), (3836, 5324277), (5754, 3549518), (6713, 3042444), (11508, 1774759), (13426, 1521222), (20139, 1014148), (26852, 760611), (40278, 507074), (80556, 253537)]