20099856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 59869184

約数和(自身を除く): 39769328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 163, 168, 326, 336, 367, 489, 652, 734, 978, 1101, 1141, 1304, 1468, 1956, 2202, 2282, 2569, 2608, 2936, 3423, 3912, 4404, 4564, 5138, 5872, 6846, 7707, 7824, 8808, 9128, 10276, 13692, 15414, 17616, 18256, 20552, 27384, 30828, 41104, 54768, 59821, 61656, 119642, 123312, 179463, 239284, 358926, 418747, 478568, 717852, 837494, 957136, 1256241, 1435704, 1674988, 2512482, 2871408, 3349976, 5024964, 6699952, 10049928, 20099856]

約数ペア:

[(1, 20099856), (2, 10049928), (3, 6699952), (4, 5024964), (6, 3349976), (7, 2871408), (8, 2512482), (12, 1674988), (14, 1435704), (16, 1256241), (21, 957136), (24, 837494), (28, 717852), (42, 478568), (48, 418747), (56, 358926), (84, 239284), (112, 179463), (163, 123312), (168, 119642), (326, 61656), (336, 59821), (367, 54768), (489, 41104), (652, 30828), (734, 27384), (978, 20552), (1101, 18256), (1141, 17616), (1304, 15414), (1468, 13692), (1956, 10276), (2202, 9128), (2282, 8808), (2569, 7824), (2608, 7707), (2936, 6846), (3423, 5872), (3912, 5138), (4404, 4564)]