16724820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39821}}^1$

素因数の和:39840

約数の個数: 48

約数和(自身を含む): 53520768

約数和(自身を除く): 36795948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39821, 79642, 119463, 159284, 199105, 238926, 278747, 398210, 477852, 557494, 597315, 796420, 836241, 1114988, 1194630, 1393735, 1672482, 2389260, 2787470, 3344964, 4181205, 5574940, 8362410, 16724820]

約数ペア:

[(1, 16724820), (2, 8362410), (3, 5574940), (4, 4181205), (5, 3344964), (6, 2787470), (7, 2389260), (10, 1672482), (12, 1393735), (14, 1194630), (15, 1114988), (20, 836241), (21, 796420), (28, 597315), (30, 557494), (35, 477852), (42, 398210), (60, 278747), (70, 238926), (84, 199105), (105, 159284), (140, 119463), (210, 79642), (420, 39821)]