17939620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 38864448

約数和(自身を除く): 20924828

約数列:

[1, 2, 4, 5, 10, 20, 83, 101, 107, 166, 202, 214, 332, 404, 415, 428, 505, 535, 830, 1010, 1070, 1660, 2020, 2140, 8383, 8881, 10807, 16766, 17762, 21614, 33532, 35524, 41915, 43228, 44405, 54035, 83830, 88810, 108070, 167660, 177620, 216140, 896981, 1793962, 3587924, 4484905, 8969810, 17939620]

約数ペア:

[(1, 17939620), (2, 8969810), (4, 4484905), (5, 3587924), (10, 1793962), (20, 896981), (83, 216140), (101, 177620), (107, 167660), (166, 108070), (202, 88810), (214, 83830), (332, 54035), (404, 44405), (415, 43228), (428, 41915), (505, 35524), (535, 33532), (830, 21614), (1010, 17762), (1070, 16766), (1660, 10807), (2020, 8881), (2140, 8383)]