20172858741

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{29867}}^1$

素因数の和:30102

約数の個数: 48

約数和(自身を含む): 33995040768

約数和(自身を除く): 13822182027

約数列:

[1, 3, 7, 9, 21, 63, 71, 151, 213, 453, 497, 639, 1057, 1359, 1491, 3171, 4473, 9513, 10721, 29867, 32163, 75047, 89601, 96489, 209069, 225141, 268803, 627207, 675423, 1881621, 2120557, 4509917, 6361671, 13529751, 14843899, 19085013, 31569419, 40589253, 44531697, 94708257, 133595091, 284124771, 320204107, 960612321, 2241428749, 2881836963, 6724286247, 20172858741]

約数ペア:

[(1, 20172858741), (3, 6724286247), (7, 2881836963), (9, 2241428749), (21, 960612321), (63, 320204107), (71, 284124771), (151, 133595091), (213, 94708257), (453, 44531697), (497, 40589253), (639, 31569419), (1057, 19085013), (1359, 14843899), (1491, 13529751), (3171, 6361671), (4473, 4509917), (9513, 2120557), (10721, 1881621), (29867, 675423), (32163, 627207), (75047, 268803), (89601, 225141), (96489, 209069)]