20496105

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 44593920

約数和(自身を除く): 24097815

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 41, 45, 63, 69, 105, 115, 123, 135, 161, 189, 205, 207, 287, 315, 345, 369, 483, 529, 615, 621, 805, 861, 943, 945, 1035, 1107, 1435, 1449, 1587, 1845, 2415, 2583, 2645, 2829, 3105, 3703, 4305, 4347, 4715, 4761, 5535, 6601, 7245, 7749, 7935, 8487, 11109, 12915, 14145, 14283, 18515, 19803, 21689, 21735, 23805, 25461, 33005, 33327, 38745, 42435, 55545, 59409, 65067, 71415, 99015, 99981, 108445, 127305, 151823, 166635, 178227, 195201, 297045, 325335, 455469, 499905, 585603, 759115, 891135, 976005, 1366407, 2277345, 2928015, 4099221, 6832035, 20496105]

約数ペア:

[(1, 20496105), (3, 6832035), (5, 4099221), (7, 2928015), (9, 2277345), (15, 1366407), (21, 976005), (23, 891135), (27, 759115), (35, 585603), (41, 499905), (45, 455469), (63, 325335), (69, 297045), (105, 195201), (115, 178227), (123, 166635), (135, 151823), (161, 127305), (189, 108445), (205, 99981), (207, 99015), (287, 71415), (315, 65067), (345, 59409), (369, 55545), (483, 42435), (529, 38745), (615, 33327), (621, 33005), (805, 25461), (861, 23805), (943, 21735), (945, 21689), (1035, 19803), (1107, 18515), (1435, 14283), (1449, 14145), (1587, 12915), (1845, 11109), (2415, 8487), (2583, 7935), (2645, 7749), (2829, 7245), (3105, 6601), (3703, 5535), (4305, 4761), (4347, 4715)]