20045988

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9769}}^1$

素因数の和:9801

約数の個数: 48

約数和(自身を含む): 54712000

約数和(自身を除く): 34666012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9769, 19538, 29307, 39076, 58614, 87921, 117228, 175842, 185611, 263763, 351684, 371222, 527526, 556833, 742444, 1055052, 1113666, 1670499, 2227332, 3340998, 5011497, 6681996, 10022994, 20045988]

約数ペア:

[(1, 20045988), (2, 10022994), (3, 6681996), (4, 5011497), (6, 3340998), (9, 2227332), (12, 1670499), (18, 1113666), (19, 1055052), (27, 742444), (36, 556833), (38, 527526), (54, 371222), (57, 351684), (76, 263763), (108, 185611), (114, 175842), (171, 117228), (228, 87921), (342, 58614), (513, 39076), (684, 29307), (1026, 19538), (2052, 9769)]