16699620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39761}}^1$

素因数の和:39780

約数の個数: 48

約数和(自身を含む): 53440128

約数和(自身を除く): 36740508

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, 39761, 79522, 119283, 159044, 198805, 238566, 278327, 397610, 477132, 556654, 596415, 795220, 834981, 1113308, 1192830, 1391635, 1669962, 2385660, 2783270, 3339924, 4174905, 5566540, 8349810, 16699620]

約数ペア:

[(1, 16699620), (2, 8349810), (3, 5566540), (4, 4174905), (5, 3339924), (6, 2783270), (7, 2385660), (10, 1669962), (12, 1391635), (14, 1192830), (15, 1113308), (20, 834981), (21, 795220), (28, 596415), (30, 556654), (35, 477132), (42, 397610), (60, 278327), (70, 238566), (84, 198805), (105, 159044), (140, 119283), (210, 79522), (420, 39761)]