20128612

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23416988

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 863, 1372, 1666, 1726, 3332, 3452, 5831, 6041, 11662, 12082, 14671, 23324, 24164, 29342, 42287, 58684, 84574, 102697, 169148, 205394, 296009, 410788, 592018, 718879, 1184036, 1437758, 2875516, 5032153, 10064306, 20128612]

約数ペア:

[(1, 20128612), (2, 10064306), (4, 5032153), (7, 2875516), (14, 1437758), (17, 1184036), (28, 718879), (34, 592018), (49, 410788), (68, 296009), (98, 205394), (119, 169148), (196, 102697), (238, 84574), (343, 58684), (476, 42287), (686, 29342), (833, 24164), (863, 23324), (1372, 14671), (1666, 12082), (1726, 11662), (3332, 6041), (3452, 5831)]