20559704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1399}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21776296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 167, 334, 668, 1336, 1399, 1837, 2798, 3674, 5596, 7348, 11192, 14696, 15389, 30778, 61556, 123112, 233633, 467266, 934532, 1869064, 2569963, 5139926, 10279852, 20559704]

約数ペア:

[(1, 20559704), (2, 10279852), (4, 5139926), (8, 2569963), (11, 1869064), (22, 934532), (44, 467266), (88, 233633), (167, 123112), (334, 61556), (668, 30778), (1336, 15389), (1399, 14696), (1837, 11192), (2798, 7348), (3674, 5596)]