20128884

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 50400000

約数和(自身を除く): 30271116

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 79, 102, 158, 204, 237, 316, 474, 948, 1249, 1343, 2498, 2686, 3747, 4029, 4996, 5372, 7494, 8058, 14988, 16116, 21233, 42466, 63699, 84932, 98671, 127398, 197342, 254796, 296013, 394684, 592026, 1184052, 1677407, 3354814, 5032221, 6709628, 10064442, 20128884]

約数ペア:

[(1, 20128884), (2, 10064442), (3, 6709628), (4, 5032221), (6, 3354814), (12, 1677407), (17, 1184052), (34, 592026), (51, 394684), (68, 296013), (79, 254796), (102, 197342), (158, 127398), (204, 98671), (237, 84932), (316, 63699), (474, 42466), (948, 21233), (1249, 16116), (1343, 14988), (2498, 8058), (2686, 7494), (3747, 5372), (4029, 4996)]