20962170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2617}}^1$

素因数の和:2719

約数の個数: 48

約数和(自身を含む): 55135080

約数和(自身を除く): 34172910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2617, 2670, 4005, 5234, 7851, 8010, 13085, 15702, 23553, 26170, 39255, 47106, 78510, 117765, 232913, 235530, 465826, 698739, 1164565, 1397478, 2096217, 2329130, 3493695, 4192434, 6987390, 10481085, 20962170]

約数ペア:

[(1, 20962170), (2, 10481085), (3, 6987390), (5, 4192434), (6, 3493695), (9, 2329130), (10, 2096217), (15, 1397478), (18, 1164565), (30, 698739), (45, 465826), (89, 235530), (90, 232913), (178, 117765), (267, 78510), (445, 47106), (534, 39255), (801, 26170), (890, 23553), (1335, 15702), (1602, 13085), (2617, 8010), (2670, 7851), (4005, 5234)]