20622628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 41602176

約数和(自身を除く): 20979548

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 172, 299, 401, 559, 598, 802, 989, 1118, 1196, 1604, 1978, 2236, 3956, 5213, 9223, 10426, 12857, 17243, 18446, 20852, 25714, 34486, 36892, 51428, 68972, 119899, 224159, 239798, 396589, 448318, 479596, 793178, 896636, 1586356, 5155657, 10311314, 20622628]

約数ペア:

[(1, 20622628), (2, 10311314), (4, 5155657), (13, 1586356), (23, 896636), (26, 793178), (43, 479596), (46, 448318), (52, 396589), (86, 239798), (92, 224159), (172, 119899), (299, 68972), (401, 51428), (559, 36892), (598, 34486), (802, 25714), (989, 20852), (1118, 18446), (1196, 17243), (1604, 12857), (1978, 10426), (2236, 9223), (3956, 5213)]