20666928

素因数分解:

$2^4\times 3^1\times {\mathrm{557}}^1\times {\mathrm{773}}^1$

素因数の和:1341

約数の個数: 40

約数和(自身を含む): 53554608

約数和(自身を除く): 32887680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 557, 773, 1114, 1546, 1671, 2228, 2319, 3092, 3342, 4456, 4638, 6184, 6684, 8912, 9276, 12368, 13368, 18552, 26736, 37104, 430561, 861122, 1291683, 1722244, 2583366, 3444488, 5166732, 6888976, 10333464, 20666928]

約数ペア:

[(1, 20666928), (2, 10333464), (3, 6888976), (4, 5166732), (6, 3444488), (8, 2583366), (12, 1722244), (16, 1291683), (24, 861122), (48, 430561), (557, 37104), (773, 26736), (1114, 18552), (1546, 13368), (1671, 12368), (2228, 9276), (2319, 8912), (3092, 6684), (3342, 6184), (4456, 4638)]