20396460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48563}}^1$

素因数の和:48582

約数の個数: 48

約数和(自身を含む): 65270016

約数和(自身を除く): 44873556

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, 48563, 97126, 145689, 194252, 242815, 291378, 339941, 485630, 582756, 679882, 728445, 971260, 1019823, 1359764, 1456890, 1699705, 2039646, 2913780, 3399410, 4079292, 5099115, 6798820, 10198230, 20396460]

約数ペア:

[(1, 20396460), (2, 10198230), (3, 6798820), (4, 5099115), (5, 4079292), (6, 3399410), (7, 2913780), (10, 2039646), (12, 1699705), (14, 1456890), (15, 1359764), (20, 1019823), (21, 971260), (28, 728445), (30, 679882), (35, 582756), (42, 485630), (60, 339941), (70, 291378), (84, 242815), (105, 194252), (140, 145689), (210, 97126), (420, 48563)]