20017942

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 16572458

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 241, 349, 482, 698, 1687, 2443, 3374, 4097, 4886, 5933, 8194, 11866, 28679, 41531, 57358, 83062, 84109, 168218, 588763, 1177526, 1429853, 2859706, 10008971, 20017942]

約数ペア:

[(1, 20017942), (2, 10008971), (7, 2859706), (14, 1429853), (17, 1177526), (34, 588763), (119, 168218), (238, 84109), (241, 83062), (349, 57358), (482, 41531), (698, 28679), (1687, 11866), (2443, 8194), (3374, 5933), (4097, 4886)]