20663160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1$

素因数の和:1485

約数の個数: 128

約数和(自身を含む): 75064320

約数和(自身を除く): 54401160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1447, 1785, 2040, 2380, 2856, 2894, 3570, 4341, 4760, 5788, 7140, 7235, 8682, 10129, 11576, 14280, 14470, 17364, 20258, 21705, 24599, 28940, 30387, 34728, 40516, 43410, 49198, 50645, 57880, 60774, 73797, 81032, 86820, 98396, 101290, 121548, 122995, 147594, 151935, 172193, 173640, 196792, 202580, 243096, 245990, 295188, 303870, 344386, 368985, 405160, 491980, 516579, 590376, 607740, 688772, 737970, 860965, 983960, 1033158, 1215480, 1377544, 1475940, 1721930, 2066316, 2582895, 2951880, 3443860, 4132632, 5165790, 6887720, 10331580, 20663160]

約数ペア:

[(1, 20663160), (2, 10331580), (3, 6887720), (4, 5165790), (5, 4132632), (6, 3443860), (7, 2951880), (8, 2582895), (10, 2066316), (12, 1721930), (14, 1475940), (15, 1377544), (17, 1215480), (20, 1033158), (21, 983960), (24, 860965), (28, 737970), (30, 688772), (34, 607740), (35, 590376), (40, 516579), (42, 491980), (51, 405160), (56, 368985), (60, 344386), (68, 303870), (70, 295188), (84, 245990), (85, 243096), (102, 202580), (105, 196792), (119, 173640), (120, 172193), (136, 151935), (140, 147594), (168, 122995), (170, 121548), (204, 101290), (210, 98396), (238, 86820), (255, 81032), (280, 73797), (340, 60774), (357, 57880), (408, 50645), (420, 49198), (476, 43410), (510, 40516), (595, 34728), (680, 30387), (714, 28940), (840, 24599), (952, 21705), (1020, 20258), (1190, 17364), (1428, 14470), (1447, 14280), (1785, 11576), (2040, 10129), (2380, 8682), (2856, 7235), (2894, 7140), (3570, 5788), (4341, 4760)]