20869368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66889}}^1$

素因数の和:66911

約数の個数: 32

約数和(自身を含む): 56187600

約数和(自身を除く): 35318232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66889, 133778, 200667, 267556, 401334, 535112, 802668, 869557, 1605336, 1739114, 2608671, 3478228, 5217342, 6956456, 10434684, 20869368]

約数ペア:

[(1, 20869368), (2, 10434684), (3, 6956456), (4, 5217342), (6, 3478228), (8, 2608671), (12, 1739114), (13, 1605336), (24, 869557), (26, 802668), (39, 535112), (52, 401334), (78, 267556), (104, 200667), (156, 133778), (312, 66889)]