20360656

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 40956704

約数和(自身を除く): 20596048

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 163, 211, 296, 326, 422, 592, 652, 844, 1304, 1688, 2608, 3376, 6031, 7807, 12062, 15614, 24124, 31228, 34393, 48248, 62456, 68786, 96496, 124912, 137572, 275144, 550288, 1272541, 2545082, 5090164, 10180328, 20360656]

約数ペア:

[(1, 20360656), (2, 10180328), (4, 5090164), (8, 2545082), (16, 1272541), (37, 550288), (74, 275144), (148, 137572), (163, 124912), (211, 96496), (296, 68786), (326, 62456), (422, 48248), (592, 34393), (652, 31228), (844, 24124), (1304, 15614), (1688, 12062), (2608, 7807), (3376, 6031)]