20034740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4793}}^1$

素因数の和:4832

約数の個数: 48

約数和(自身を含む): 48323520

約数和(自身を除く): 28288780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4793, 9586, 19172, 23965, 47930, 52723, 91067, 95860, 105446, 182134, 210892, 263615, 364268, 455335, 527230, 910670, 1001737, 1054460, 1821340, 2003474, 4006948, 5008685, 10017370, 20034740]

約数ペア:

[(1, 20034740), (2, 10017370), (4, 5008685), (5, 4006948), (10, 2003474), (11, 1821340), (19, 1054460), (20, 1001737), (22, 910670), (38, 527230), (44, 455335), (55, 364268), (76, 263615), (95, 210892), (110, 182134), (190, 105446), (209, 95860), (220, 91067), (380, 52723), (418, 47930), (836, 23965), (1045, 19172), (2090, 9586), (4180, 4793)]