20247950860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1\times {\mathrm{18143}}^1$

素因数の和:19554

約数の個数: 48

約数和(自身を含む): 43592193792

約数和(自身を除く): 23344242932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1361, 2722, 5444, 6805, 13610, 18143, 27220, 36286, 55801, 72572, 90715, 111602, 181430, 223204, 279005, 362860, 558010, 743863, 1116020, 1487726, 2975452, 3719315, 7438630, 14877260, 24692623, 49385246, 98770492, 123463115, 246926230, 493852460, 1012397543, 2024795086, 4049590172, 5061987715, 10123975430, 20247950860]

約数ペア:

[(1, 20247950860), (2, 10123975430), (4, 5061987715), (5, 4049590172), (10, 2024795086), (20, 1012397543), (41, 493852460), (82, 246926230), (164, 123463115), (205, 98770492), (410, 49385246), (820, 24692623), (1361, 14877260), (2722, 7438630), (5444, 3719315), (6805, 2975452), (13610, 1487726), (18143, 1116020), (27220, 743863), (36286, 558010), (55801, 362860), (72572, 279005), (90715, 223204), (111602, 181430)]