20792220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8059}}^1$

素因数の和:8114

約数の個数: 48

約数和(自身を含む): 59579520

約数和(自身を除く): 38787300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 8059, 16118, 24177, 32236, 40295, 48354, 80590, 96708, 120885, 161180, 241770, 346537, 483540, 693074, 1039611, 1386148, 1732685, 2079222, 3465370, 4158444, 5198055, 6930740, 10396110, 20792220]

約数ペア:

[(1, 20792220), (2, 10396110), (3, 6930740), (4, 5198055), (5, 4158444), (6, 3465370), (10, 2079222), (12, 1732685), (15, 1386148), (20, 1039611), (30, 693074), (43, 483540), (60, 346537), (86, 241770), (129, 161180), (172, 120885), (215, 96708), (258, 80590), (430, 48354), (516, 40295), (645, 32236), (860, 24177), (1290, 16118), (2580, 8059)]