20342928

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3049}}^1$

素因数の和:3199

約数の個数: 40

約数和(自身を含む): 52948000

約数和(自身を除く): 32605072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3049, 3336, 6098, 6672, 9147, 12196, 18294, 24392, 36588, 48784, 73176, 146352, 423811, 847622, 1271433, 1695244, 2542866, 3390488, 5085732, 6780976, 10171464, 20342928]

約数ペア:

[(1, 20342928), (2, 10171464), (3, 6780976), (4, 5085732), (6, 3390488), (8, 2542866), (12, 1695244), (16, 1271433), (24, 847622), (48, 423811), (139, 146352), (278, 73176), (417, 48784), (556, 36588), (834, 24392), (1112, 18294), (1668, 12196), (2224, 9147), (3049, 6672), (3336, 6098)]