20586900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 60072544

約数和(自身を除く): 39485644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 163, 300, 326, 421, 489, 652, 815, 842, 978, 1263, 1630, 1684, 1956, 2105, 2445, 2526, 3260, 4075, 4210, 4890, 5052, 6315, 8150, 8420, 9780, 10525, 12225, 12630, 16300, 21050, 24450, 25260, 31575, 42100, 48900, 63150, 68623, 126300, 137246, 205869, 274492, 343115, 411738, 686230, 823476, 1029345, 1372460, 1715575, 2058690, 3431150, 4117380, 5146725, 6862300, 10293450, 20586900]

約数ペア:

[(1, 20586900), (2, 10293450), (3, 6862300), (4, 5146725), (5, 4117380), (6, 3431150), (10, 2058690), (12, 1715575), (15, 1372460), (20, 1029345), (25, 823476), (30, 686230), (50, 411738), (60, 343115), (75, 274492), (100, 205869), (150, 137246), (163, 126300), (300, 68623), (326, 63150), (421, 48900), (489, 42100), (652, 31575), (815, 25260), (842, 24450), (978, 21050), (1263, 16300), (1630, 12630), (1684, 12225), (1956, 10525), (2105, 9780), (2445, 8420), (2526, 8150), (3260, 6315), (4075, 5052), (4210, 4890)]