20836410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 57514752

約数和(自身を除く): 36678342

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 313, 317, 626, 634, 939, 951, 1565, 1585, 1878, 1902, 2191, 2219, 3130, 3170, 4382, 4438, 4695, 4755, 6573, 6657, 9390, 9510, 10955, 11095, 13146, 13314, 21910, 22190, 32865, 33285, 65730, 66570, 99221, 198442, 297663, 496105, 595326, 694547, 992210, 1389094, 1488315, 2083641, 2976630, 3472735, 4167282, 6945470, 10418205, 20836410]

約数ペア:

[(1, 20836410), (2, 10418205), (3, 6945470), (5, 4167282), (6, 3472735), (7, 2976630), (10, 2083641), (14, 1488315), (15, 1389094), (21, 992210), (30, 694547), (35, 595326), (42, 496105), (70, 297663), (105, 198442), (210, 99221), (313, 66570), (317, 65730), (626, 33285), (634, 32865), (939, 22190), (951, 21910), (1565, 13314), (1585, 13146), (1878, 11095), (1902, 10955), (2191, 9510), (2219, 9390), (3130, 6657), (3170, 6573), (4382, 4755), (4438, 4695)]