20610900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22901}}^1$

素因数の和:22921

約数の個数: 54

約数和(自身を含む): 64606542

約数和(自身を除く): 43995642

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22901, 45802, 68703, 91604, 114505, 137406, 206109, 229010, 274812, 343515, 412218, 458020, 572525, 687030, 824436, 1030545, 1145050, 1374060, 1717575, 2061090, 2290100, 3435150, 4122180, 5152725, 6870300, 10305450, 20610900]

約数ペア:

[(1, 20610900), (2, 10305450), (3, 6870300), (4, 5152725), (5, 4122180), (6, 3435150), (9, 2290100), (10, 2061090), (12, 1717575), (15, 1374060), (18, 1145050), (20, 1030545), (25, 824436), (30, 687030), (36, 572525), (45, 458020), (50, 412218), (60, 343515), (75, 274812), (90, 229010), (100, 206109), (150, 137406), (180, 114505), (225, 91604), (300, 68703), (450, 45802), (900, 22901)]