2013207020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397867}}^1$

素因数の和:397910

約数の個数: 48

約数和(自身を含む): 4812611328

約数和(自身を除く): 2799404308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 397867, 795734, 1591468, 1989335, 3978670, 4376537, 7957340, 8753074, 9150941, 17506148, 18301882, 21882685, 36603764, 43765370, 45754705, 87530740, 91509410, 100660351, 183018820, 201320702, 402641404, 503301755, 1006603510, 2013207020]

約数ペア:

[(1, 2013207020), (2, 1006603510), (4, 503301755), (5, 402641404), (10, 201320702), (11, 183018820), (20, 100660351), (22, 91509410), (23, 87530740), (44, 45754705), (46, 43765370), (55, 36603764), (92, 21882685), (110, 18301882), (115, 17506148), (220, 9150941), (230, 8753074), (253, 7957340), (460, 4376537), (506, 3978670), (1012, 1989335), (1265, 1591468), (2530, 795734), (5060, 397867)]