20806680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4229}}^1$

素因数の和:4284

約数の個数: 64

約数和(自身を含む): 63957600

約数和(自身を除く): 43150920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4229, 4920, 8458, 12687, 16916, 21145, 25374, 33832, 42290, 50748, 63435, 84580, 101496, 126870, 169160, 173389, 253740, 346778, 507480, 520167, 693556, 866945, 1040334, 1387112, 1733890, 2080668, 2600835, 3467780, 4161336, 5201670, 6935560, 10403340, 20806680]

約数ペア:

[(1, 20806680), (2, 10403340), (3, 6935560), (4, 5201670), (5, 4161336), (6, 3467780), (8, 2600835), (10, 2080668), (12, 1733890), (15, 1387112), (20, 1040334), (24, 866945), (30, 693556), (40, 520167), (41, 507480), (60, 346778), (82, 253740), (120, 173389), (123, 169160), (164, 126870), (205, 101496), (246, 84580), (328, 63435), (410, 50748), (492, 42290), (615, 33832), (820, 25374), (984, 21145), (1230, 16916), (1640, 12687), (2460, 8458), (4229, 4920)]