20666418

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 42448320

約数和(自身を除く): 21781902

約数列:

[1, 2, 3, 6, 67, 101, 134, 201, 202, 303, 402, 509, 606, 1018, 1527, 3054, 6767, 13534, 20301, 34103, 40602, 51409, 68206, 102309, 102818, 154227, 204618, 308454, 3444403, 6888806, 10333209, 20666418]

約数ペア:

[(1, 20666418), (2, 10333209), (3, 6888806), (6, 3444403), (67, 308454), (101, 204618), (134, 154227), (201, 102818), (202, 102309), (303, 68206), (402, 51409), (509, 40602), (606, 34103), (1018, 20301), (1527, 13534), (3054, 6767)]