20016140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3463}}^1$

素因数の和:3506

約数の個数: 36

約数和(自身を含む): 44664816

約数和(自身を除く): 24648676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3463, 5780, 6926, 13852, 17315, 34630, 58871, 69260, 117742, 235484, 294355, 588710, 1000807, 1177420, 2001614, 4003228, 5004035, 10008070, 20016140]

約数ペア:

[(1, 20016140), (2, 10008070), (4, 5004035), (5, 4003228), (10, 2001614), (17, 1177420), (20, 1000807), (34, 588710), (68, 294355), (85, 235484), (170, 117742), (289, 69260), (340, 58871), (578, 34630), (1156, 17315), (1445, 13852), (2890, 6926), (3463, 5780)]