20702977260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{7041829}}^1$

素因数の和:7041855

約数の個数: 72

約数和(自身を含む): 67432564080

約数和(自身を除く): 46729586820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 7041829, 14083658, 21125487, 28167316, 35209145, 42250974, 49292803, 70418290, 84501948, 98585606, 105627435, 140836580, 147878409, 197171212, 211254870, 246464015, 295756818, 345049621, 422509740, 492928030, 591513636, 690099242, 739392045, 985856060, 1035148863, 1380198484, 1478784090, 1725248105, 2070297726, 2957568180, 3450496210, 4140595452, 5175744315, 6900992420, 10351488630, 20702977260]

約数ペア:

[(1, 20702977260), (2, 10351488630), (3, 6900992420), (4, 5175744315), (5, 4140595452), (6, 3450496210), (7, 2957568180), (10, 2070297726), (12, 1725248105), (14, 1478784090), (15, 1380198484), (20, 1035148863), (21, 985856060), (28, 739392045), (30, 690099242), (35, 591513636), (42, 492928030), (49, 422509740), (60, 345049621), (70, 295756818), (84, 246464015), (98, 211254870), (105, 197171212), (140, 147878409), (147, 140836580), (196, 105627435), (210, 98585606), (245, 84501948), (294, 70418290), (420, 49292803), (490, 42250974), (588, 35209145), (735, 28167316), (980, 21125487), (1470, 14083658), (2940, 7041829)]