20031210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1843

約数の個数: 48

約数和(自身を含む): 52509600

約数和(自身を除く): 32478390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1699, 1965, 2358, 3398, 3930, 5097, 5895, 8495, 10194, 11790, 15291, 16990, 25485, 30582, 50970, 76455, 152910, 222569, 445138, 667707, 1112845, 1335414, 2003121, 2225690, 3338535, 4006242, 6677070, 10015605, 20031210]

約数ペア:

[(1, 20031210), (2, 10015605), (3, 6677070), (5, 4006242), (6, 3338535), (9, 2225690), (10, 2003121), (15, 1335414), (18, 1112845), (30, 667707), (45, 445138), (90, 222569), (131, 152910), (262, 76455), (393, 50970), (655, 30582), (786, 25485), (1179, 16990), (1310, 15291), (1699, 11790), (1965, 10194), (2358, 8495), (3398, 5895), (3930, 5097)]