20885830902

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{8753}}^1\times {\mathrm{6977}}^1$

素因数の和:15757

約数の個数: 48

約数和(自身を含む): 47646621360

約数和(自身を除く): 26760790458

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 6977, 8753, 13954, 17506, 20931, 26259, 41862, 52518, 62793, 78777, 125586, 132563, 157554, 166307, 265126, 332614, 397689, 498921, 795378, 997842, 1193067, 1496763, 2386134, 2993526, 61069681, 122139362, 183209043, 366418086, 549627129, 1099254258, 1160323939, 2320647878, 3480971817, 6961943634, 10442915451, 20885830902]

約数ペア:

[(1, 20885830902), (2, 10442915451), (3, 6961943634), (6, 3480971817), (9, 2320647878), (18, 1160323939), (19, 1099254258), (38, 549627129), (57, 366418086), (114, 183209043), (171, 122139362), (342, 61069681), (6977, 2993526), (8753, 2386134), (13954, 1496763), (17506, 1193067), (20931, 997842), (26259, 795378), (41862, 498921), (52518, 397689), (62793, 332614), (78777, 265126), (125586, 166307), (132563, 157554)]