20787776148

素因数分解:

$2^2\times 3^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1\times {\mathrm{4177}}^1$

素因数の和:5472

約数の個数: 48

約数和(自身を含む): 48667215744

約数和(自身を除く): 27879439596

約数列:

[1, 2, 3, 4, 6, 12, 641, 647, 1282, 1294, 1923, 1941, 2564, 2588, 3846, 3882, 4177, 7692, 7764, 8354, 12531, 16708, 25062, 50124, 414727, 829454, 1244181, 1658908, 2488362, 2677457, 2702519, 4976724, 5354914, 5405038, 8032371, 8107557, 10709828, 10810076, 16064742, 16215114, 32129484, 32430228, 1732314679, 3464629358, 5196944037, 6929258716, 10393888074, 20787776148]

約数ペア:

[(1, 20787776148), (2, 10393888074), (3, 6929258716), (4, 5196944037), (6, 3464629358), (12, 1732314679), (641, 32430228), (647, 32129484), (1282, 16215114), (1294, 16064742), (1923, 10810076), (1941, 10709828), (2564, 8107557), (2588, 8032371), (3846, 5405038), (3882, 5354914), (4177, 4976724), (7692, 2702519), (7764, 2677457), (8354, 2488362), (12531, 1658908), (16708, 1244181), (25062, 829454), (50124, 414727)]