20139984

素因数分解:

$2^4\times 3^2\times {\mathrm{139861}}^1$

素因数の和:139875

約数の個数: 30

約数和(自身を含む): 56364386

約数和(自身を除く): 36224402

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 139861, 279722, 419583, 559444, 839166, 1118888, 1258749, 1678332, 2237776, 2517498, 3356664, 5034996, 6713328, 10069992, 20139984]

約数ペア:

[(1, 20139984), (2, 10069992), (3, 6713328), (4, 5034996), (6, 3356664), (8, 2517498), (9, 2237776), (12, 1678332), (16, 1258749), (18, 1118888), (24, 839166), (36, 559444), (48, 419583), (72, 279722), (144, 139861)]