20707788088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2971841}}^1$

素因数の和:2971927

約数の個数: 32

約数和(自身を含む): 42437903760

約数和(自身を除く): 21730115672

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 2971841, 5943682, 11887364, 23774728, 38633933, 77267866, 154535732, 199113347, 309071464, 398226694, 796453388, 1592906776, 2588473511, 5176947022, 10353894044, 20707788088]

約数ペア:

[(1, 20707788088), (2, 10353894044), (4, 5176947022), (8, 2588473511), (13, 1592906776), (26, 796453388), (52, 398226694), (67, 309071464), (104, 199113347), (134, 154535732), (268, 77267866), (536, 38633933), (871, 23774728), (1742, 11887364), (3484, 5943682), (6968, 2971841)]