20866590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4933}}^1$

素因数の和:4993

約数の個数: 48

約数和(自身を含む): 55418688

約数和(自身を除く): 34552098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4933, 9866, 14799, 24665, 29598, 44397, 49330, 73995, 88794, 147990, 221985, 231851, 443970, 463702, 695553, 1159255, 1391106, 2086659, 2318510, 3477765, 4173318, 6955530, 10433295, 20866590]

約数ペア:

[(1, 20866590), (2, 10433295), (3, 6955530), (5, 4173318), (6, 3477765), (9, 2318510), (10, 2086659), (15, 1391106), (18, 1159255), (30, 695553), (45, 463702), (47, 443970), (90, 231851), (94, 221985), (141, 147990), (235, 88794), (282, 73995), (423, 49330), (470, 44397), (705, 29598), (846, 24665), (1410, 14799), (2115, 9866), (4230, 4933)]