20910068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 39942756

約数和(自身を除く): 19032688

約数列:

[1, 2, 4, 17, 34, 61, 68, 71, 122, 142, 244, 284, 1037, 1207, 2074, 2414, 4148, 4331, 4828, 5041, 8662, 10082, 17324, 20164, 73627, 85697, 147254, 171394, 294508, 307501, 342788, 615002, 1230004, 5227517, 10455034, 20910068]

約数ペア:

[(1, 20910068), (2, 10455034), (4, 5227517), (17, 1230004), (34, 615002), (61, 342788), (68, 307501), (71, 294508), (122, 171394), (142, 147254), (244, 85697), (284, 73627), (1037, 20164), (1207, 17324), (2074, 10082), (2414, 8662), (4148, 5041), (4331, 4828)]