20216568711

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{18541}}^1$

素因数の和:18807

約数の個数: 32

約数和(自身を含む): 28409310720

約数和(自身を除く): 8192742009

約数列:

[1, 3, 29, 83, 87, 151, 249, 453, 2407, 4379, 7221, 12533, 13137, 18541, 37599, 55623, 363457, 537689, 1090371, 1538903, 1613067, 2799691, 4616709, 8399073, 44628187, 81191039, 133884561, 232374353, 243573117, 697123059, 6738856237, 20216568711]

約数ペア:

[(1, 20216568711), (3, 6738856237), (29, 697123059), (83, 243573117), (87, 232374353), (151, 133884561), (249, 81191039), (453, 44628187), (2407, 8399073), (4379, 4616709), (7221, 2799691), (12533, 1613067), (13137, 1538903), (18541, 1090371), (37599, 537689), (55623, 363457)]