19946440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29333}}^1$

素因数の和:29361

約数の個数: 32

約数和(自身を含む): 47521080

約数和(自身を除く): 27574640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29333, 58666, 117332, 146665, 234664, 293330, 498661, 586660, 997322, 1173320, 1994644, 2493305, 3989288, 4986610, 9973220, 19946440]

約数ペア:

[(1, 19946440), (2, 9973220), (4, 4986610), (5, 3989288), (8, 2493305), (10, 1994644), (17, 1173320), (20, 997322), (34, 586660), (40, 498661), (68, 293330), (85, 234664), (136, 146665), (170, 117332), (340, 58666), (680, 29333)]