20732460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49363}}^1$

素因数の和:49382

約数の個数: 48

約数和(自身を含む): 66345216

約数和(自身を除く): 45612756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49363, 98726, 148089, 197452, 246815, 296178, 345541, 493630, 592356, 691082, 740445, 987260, 1036623, 1382164, 1480890, 1727705, 2073246, 2961780, 3455410, 4146492, 5183115, 6910820, 10366230, 20732460]

約数ペア:

[(1, 20732460), (2, 10366230), (3, 6910820), (4, 5183115), (5, 4146492), (6, 3455410), (7, 2961780), (10, 2073246), (12, 1727705), (14, 1480890), (15, 1382164), (20, 1036623), (21, 987260), (28, 740445), (30, 691082), (35, 592356), (42, 493630), (60, 345541), (70, 296178), (84, 246815), (105, 197452), (140, 148089), (210, 98726), (420, 49363)]