20279390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 37721376

約数和(自身を除く): 17441986

約数列:

[1, 2, 5, 10, 53, 83, 106, 166, 265, 415, 461, 530, 830, 922, 2305, 4399, 4610, 8798, 21995, 24433, 38263, 43990, 48866, 76526, 122165, 191315, 244330, 382630, 2027939, 4055878, 10139695, 20279390]

約数ペア:

[(1, 20279390), (2, 10139695), (5, 4055878), (10, 2027939), (53, 382630), (83, 244330), (106, 191315), (166, 122165), (265, 76526), (415, 48866), (461, 43990), (530, 38263), (830, 24433), (922, 21995), (2305, 8798), (4399, 4610)]