16487620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 20743868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 683, 710, 1207, 1366, 1420, 2414, 2732, 3415, 4828, 6035, 6830, 11611, 12070, 13660, 23222, 24140, 46444, 48493, 58055, 96986, 116110, 193972, 232220, 242465, 484930, 824381, 969860, 1648762, 3297524, 4121905, 8243810, 16487620]

約数ペア:

[(1, 16487620), (2, 8243810), (4, 4121905), (5, 3297524), (10, 1648762), (17, 969860), (20, 824381), (34, 484930), (68, 242465), (71, 232220), (85, 193972), (142, 116110), (170, 96986), (284, 58055), (340, 48493), (355, 46444), (683, 24140), (710, 23222), (1207, 13660), (1366, 12070), (1420, 11611), (2414, 6830), (2732, 6035), (3415, 4828)]