20117902

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 36842688

約数和(自身を除く): 16724786

約数列:

[1, 2, 7, 14, 17, 34, 119, 137, 238, 274, 617, 959, 1234, 1918, 2329, 4319, 4658, 8638, 10489, 16303, 20978, 32606, 73423, 84529, 146846, 169058, 591703, 1183406, 1436993, 2873986, 10058951, 20117902]

約数ペア:

[(1, 20117902), (2, 10058951), (7, 2873986), (14, 1436993), (17, 1183406), (34, 591703), (119, 169058), (137, 146846), (238, 84529), (274, 73423), (617, 32606), (959, 20978), (1234, 16303), (1918, 10489), (2329, 8638), (4319, 4658)]