20274696

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21661}}^1$

素因数の和:21686

約数の個数: 48

約数和(自身を含む): 59137260

約数和(自身を除く): 38862564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21661, 43322, 64983, 86644, 129966, 173288, 194949, 259932, 281593, 389898, 519864, 563186, 779796, 844779, 1126372, 1559592, 1689558, 2252744, 2534337, 3379116, 5068674, 6758232, 10137348, 20274696]

約数ペア:

[(1, 20274696), (2, 10137348), (3, 6758232), (4, 5068674), (6, 3379116), (8, 2534337), (9, 2252744), (12, 1689558), (13, 1559592), (18, 1126372), (24, 844779), (26, 779796), (36, 563186), (39, 519864), (52, 389898), (72, 281593), (78, 259932), (104, 194949), (117, 173288), (156, 129966), (234, 86644), (312, 64983), (468, 43322), (936, 21661)]