20729070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1809

約数の個数: 48

約数和(自身を含む): 54316080

約数和(自身を除く): 33587010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 1657, 2085, 2502, 3314, 4170, 4971, 6255, 8285, 9942, 12510, 14913, 16570, 24855, 29826, 49710, 74565, 149130, 230323, 460646, 690969, 1151615, 1381938, 2072907, 2303230, 3454845, 4145814, 6909690, 10364535, 20729070]

約数ペア:

[(1, 20729070), (2, 10364535), (3, 6909690), (5, 4145814), (6, 3454845), (9, 2303230), (10, 2072907), (15, 1381938), (18, 1151615), (30, 690969), (45, 460646), (90, 230323), (139, 149130), (278, 74565), (417, 49710), (695, 29826), (834, 24855), (1251, 16570), (1390, 14913), (1657, 12510), (2085, 9942), (2502, 8285), (3314, 6255), (4170, 4971)]