20905165346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{182779}}^1$

素因数の和:182930

約数の個数: 32

約数和(自身を含む): 34821783360

約数和(自身を除く): 13916618014

約数列:

[1, 2, 13, 26, 53, 83, 106, 166, 689, 1079, 1378, 2158, 4399, 8798, 57187, 114374, 182779, 365558, 2376127, 4752254, 9687287, 15170657, 19374574, 30341314, 125934731, 197218541, 251869462, 394437082, 804044821, 1608089642, 10452582673, 20905165346]

約数ペア:

[(1, 20905165346), (2, 10452582673), (13, 1608089642), (26, 804044821), (53, 394437082), (83, 251869462), (106, 197218541), (166, 125934731), (689, 30341314), (1079, 19374574), (1378, 15170657), (2158, 9687287), (4399, 4752254), (8798, 2376127), (57187, 365558), (114374, 182779)]