20378340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113213}}^1$

素因数の和:113228

約数の個数: 36

約数和(自身を含む): 61814844

約数和(自身を除く): 41436504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113213, 226426, 339639, 452852, 566065, 679278, 1018917, 1132130, 1358556, 1698195, 2037834, 2264260, 3396390, 4075668, 5094585, 6792780, 10189170, 20378340]

約数ペア:

[(1, 20378340), (2, 10189170), (3, 6792780), (4, 5094585), (5, 4075668), (6, 3396390), (9, 2264260), (10, 2037834), (12, 1698195), (15, 1358556), (18, 1132130), (20, 1018917), (30, 679278), (36, 566065), (45, 452852), (60, 339639), (90, 226426), (180, 113213)]