20178863210420

素因数分解:

$2^2\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{5669}}^1\times {\mathrm{95327}}^1$

素因数の和:102872

約数の個数: 48

約数和(自身を含む): 42406233730560

約数和(自身を除く): 22227370520140

約数列:

[1, 2, 4, 5, 10, 20, 1867, 3734, 5669, 7468, 9335, 11338, 18670, 22676, 28345, 37340, 56690, 95327, 113380, 190654, 381308, 476635, 953270, 1906540, 10584023, 21168046, 42336092, 52920115, 105840230, 177975509, 211680460, 355951018, 540408763, 711902036, 889877545, 1080817526, 1779755090, 2161635052, 2702043815, 3559510180, 5404087630, 10808175260, 1008943160521, 2017886321042, 4035772642084, 5044715802605, 10089431605210, 20178863210420]

約数ペア:

[(1, 20178863210420), (2, 10089431605210), (4, 5044715802605), (5, 4035772642084), (10, 2017886321042), (20, 1008943160521), (1867, 10808175260), (3734, 5404087630), (5669, 3559510180), (7468, 2702043815), (9335, 2161635052), (11338, 1779755090), (18670, 1080817526), (22676, 889877545), (28345, 711902036), (37340, 540408763), (56690, 355951018), (95327, 211680460), (113380, 177975509), (190654, 105840230), (381308, 52920115), (476635, 42336092), (953270, 21168046), (1906540, 10584023)]