20111490

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3547}}^1$

素因数の和:3573

約数の個数: 80

約数和(自身を含む): 61820352

約数和(自身を除く): 41708862

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3547, 5670, 7094, 10641, 17735, 21282, 24829, 31923, 35470, 49658, 53205, 63846, 74487, 95769, 106410, 124145, 148974, 159615, 191538, 223461, 248290, 287307, 319230, 372435, 446922, 478845, 574614, 670383, 744870, 957690, 1117305, 1340766, 1436535, 2011149, 2234610, 2873070, 3351915, 4022298, 6703830, 10055745, 20111490]

約数ペア:

[(1, 20111490), (2, 10055745), (3, 6703830), (5, 4022298), (6, 3351915), (7, 2873070), (9, 2234610), (10, 2011149), (14, 1436535), (15, 1340766), (18, 1117305), (21, 957690), (27, 744870), (30, 670383), (35, 574614), (42, 478845), (45, 446922), (54, 372435), (63, 319230), (70, 287307), (81, 248290), (90, 223461), (105, 191538), (126, 159615), (135, 148974), (162, 124145), (189, 106410), (210, 95769), (270, 74487), (315, 63846), (378, 53205), (405, 49658), (567, 35470), (630, 31923), (810, 24829), (945, 21282), (1134, 17735), (1890, 10641), (2835, 7094), (3547, 5670)]