20367060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 45822252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 683, 710, 852, 994, 1065, 1366, 1420, 1491, 1988, 2049, 2130, 2485, 2732, 2982, 3415, 4098, 4260, 4781, 4970, 5964, 6830, 7455, 8196, 9562, 9940, 10245, 13660, 14343, 14910, 19124, 20490, 23905, 28686, 29820, 40980, 47810, 48493, 57372, 71715, 95620, 96986, 143430, 145479, 193972, 242465, 286860, 290958, 339451, 484930, 581916, 678902, 727395, 969860, 1018353, 1357804, 1454790, 1697255, 2036706, 2909580, 3394510, 4073412, 5091765, 6789020, 10183530, 20367060]

約数ペア:

[(1, 20367060), (2, 10183530), (3, 6789020), (4, 5091765), (5, 4073412), (6, 3394510), (7, 2909580), (10, 2036706), (12, 1697255), (14, 1454790), (15, 1357804), (20, 1018353), (21, 969860), (28, 727395), (30, 678902), (35, 581916), (42, 484930), (60, 339451), (70, 290958), (71, 286860), (84, 242465), (105, 193972), (140, 145479), (142, 143430), (210, 96986), (213, 95620), (284, 71715), (355, 57372), (420, 48493), (426, 47810), (497, 40980), (683, 29820), (710, 28686), (852, 23905), (994, 20490), (1065, 19124), (1366, 14910), (1420, 14343), (1491, 13660), (1988, 10245), (2049, 9940), (2130, 9562), (2485, 8196), (2732, 7455), (2982, 6830), (3415, 5964), (4098, 4970), (4260, 4781)]