20181233440

素因数分解:

$2^5\times 5^1\times {\mathrm{20921}}^1\times {\mathrm{6029}}^1$

素因数の和:26965

約数の個数: 48

約数和(自身を含む): 47688351480

約数和(自身を除く): 27507118040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 6029, 12058, 20921, 24116, 30145, 41842, 48232, 60290, 83684, 96464, 104605, 120580, 167368, 192928, 209210, 241160, 334736, 418420, 482320, 669472, 836840, 964640, 1673680, 3347360, 126132709, 252265418, 504530836, 630663545, 1009061672, 1261327090, 2018123344, 2522654180, 4036246688, 5045308360, 10090616720, 20181233440]

約数ペア:

[(1, 20181233440), (2, 10090616720), (4, 5045308360), (5, 4036246688), (8, 2522654180), (10, 2018123344), (16, 1261327090), (20, 1009061672), (32, 630663545), (40, 504530836), (80, 252265418), (160, 126132709), (6029, 3347360), (12058, 1673680), (20921, 964640), (24116, 836840), (30145, 669472), (41842, 482320), (48232, 418420), (60290, 334736), (83684, 241160), (96464, 209210), (104605, 192928), (120580, 167368)]