20697770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18078550

約数列:

[1, 2, 5, 10, 31, 62, 155, 179, 310, 358, 373, 746, 895, 1790, 1865, 3730, 5549, 11098, 11563, 23126, 27745, 55490, 57815, 66767, 115630, 133534, 333835, 667670, 2069777, 4139554, 10348885, 20697770]

約数ペア:

[(1, 20697770), (2, 10348885), (5, 4139554), (10, 2069777), (31, 667670), (62, 333835), (155, 133534), (179, 115630), (310, 66767), (358, 57815), (373, 55490), (746, 27745), (895, 23126), (1790, 11563), (1865, 11098), (3730, 5549)]