20921872610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3677}}^1\times {\mathrm{29947}}^1$

素因数の和:33650

約数の個数: 32

約数和(自身を含む): 39653547840

約数和(自身を除く): 18731675230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 3677, 7354, 18385, 29947, 36770, 59894, 69863, 139726, 149735, 299470, 349315, 568993, 698630, 1137986, 2844965, 5689930, 110115119, 220230238, 550575595, 1101151190, 2092187261, 4184374522, 10460936305, 20921872610]

約数ペア:

[(1, 20921872610), (2, 10460936305), (5, 4184374522), (10, 2092187261), (19, 1101151190), (38, 550575595), (95, 220230238), (190, 110115119), (3677, 5689930), (7354, 2844965), (18385, 1137986), (29947, 698630), (36770, 568993), (59894, 349315), (69863, 299470), (139726, 149735)]