20921236470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{311189}}^1$

素因数の和:311291

約数の個数: 80

約数和(自身を含む): 56932832880

約数和(自身を除く): 36011596410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 83, 90, 135, 162, 166, 249, 270, 405, 415, 498, 747, 810, 830, 1245, 1494, 2241, 2490, 3735, 4482, 6723, 7470, 11205, 13446, 22410, 33615, 67230, 311189, 622378, 933567, 1555945, 1867134, 2800701, 3111890, 4667835, 5601402, 8402103, 9335670, 14003505, 16804206, 25206309, 25828687, 28007010, 42010515, 50412618, 51657374, 77486061, 84021030, 126031545, 129143435, 154972122, 232458183, 252063090, 258286870, 387430305, 464916366, 697374549, 774860610, 1162290915, 1394749098, 2092123647, 2324581830, 3486872745, 4184247294, 6973745490, 10460618235, 20921236470]

約数ペア:

[(1, 20921236470), (2, 10460618235), (3, 6973745490), (5, 4184247294), (6, 3486872745), (9, 2324581830), (10, 2092123647), (15, 1394749098), (18, 1162290915), (27, 774860610), (30, 697374549), (45, 464916366), (54, 387430305), (81, 258286870), (83, 252063090), (90, 232458183), (135, 154972122), (162, 129143435), (166, 126031545), (249, 84021030), (270, 77486061), (405, 51657374), (415, 50412618), (498, 42010515), (747, 28007010), (810, 25828687), (830, 25206309), (1245, 16804206), (1494, 14003505), (2241, 9335670), (2490, 8402103), (3735, 5601402), (4482, 4667835), (6723, 3111890), (7470, 2800701), (11205, 1867134), (13446, 1555945), (22410, 933567), (33615, 622378), (67230, 311189)]