20917310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1733}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 40450752

約数和(自身を除く): 19533442

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1733, 2414, 3466, 6035, 8665, 12070, 17330, 29461, 58922, 123043, 147305, 246086, 294610, 615215, 1230430, 2091731, 4183462, 10458655, 20917310]

約数ペア:

[(1, 20917310), (2, 10458655), (5, 4183462), (10, 2091731), (17, 1230430), (34, 615215), (71, 294610), (85, 246086), (142, 147305), (170, 123043), (355, 58922), (710, 29461), (1207, 17330), (1733, 12070), (2414, 8665), (3466, 6035)]