20408664

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{27431}}^1$

素因数の和:27471

約数の個数: 32

約数和(自身を含む): 52669440

約数和(自身を除く): 32260776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 27431, 54862, 82293, 109724, 164586, 219448, 329172, 658344, 850361, 1700722, 2551083, 3401444, 5102166, 6802888, 10204332, 20408664]

約数ペア:

[(1, 20408664), (2, 10204332), (3, 6802888), (4, 5102166), (6, 3401444), (8, 2551083), (12, 1700722), (24, 850361), (31, 658344), (62, 329172), (93, 219448), (124, 164586), (186, 109724), (248, 82293), (372, 54862), (744, 27431)]