20103132

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 55157760

約数和(自身を除く): 35054628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 179, 191, 196, 294, 358, 382, 537, 573, 588, 716, 764, 1074, 1146, 1253, 1337, 2148, 2292, 2506, 2674, 3759, 4011, 5012, 5348, 7518, 8022, 8771, 9359, 15036, 16044, 17542, 18718, 26313, 28077, 34189, 35084, 37436, 52626, 56154, 68378, 102567, 105252, 112308, 136756, 205134, 239323, 410268, 478646, 717969, 957292, 1435938, 1675261, 2871876, 3350522, 5025783, 6701044, 10051566, 20103132]

約数ペア:

[(1, 20103132), (2, 10051566), (3, 6701044), (4, 5025783), (6, 3350522), (7, 2871876), (12, 1675261), (14, 1435938), (21, 957292), (28, 717969), (42, 478646), (49, 410268), (84, 239323), (98, 205134), (147, 136756), (179, 112308), (191, 105252), (196, 102567), (294, 68378), (358, 56154), (382, 52626), (537, 37436), (573, 35084), (588, 34189), (716, 28077), (764, 26313), (1074, 18718), (1146, 17542), (1253, 16044), (1337, 15036), (2148, 9359), (2292, 8771), (2506, 8022), (2674, 7518), (3759, 5348), (4011, 5012)]