19921620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19531}}^1$

素因数の和:19560

約数の個数: 48

約数和(自身を含む): 59064768

約数和(自身を除く): 39143148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19531, 39062, 58593, 78124, 97655, 117186, 195310, 234372, 292965, 332027, 390620, 585930, 664054, 996081, 1171860, 1328108, 1660135, 1992162, 3320270, 3984324, 4980405, 6640540, 9960810, 19921620]

約数ペア:

[(1, 19921620), (2, 9960810), (3, 6640540), (4, 4980405), (5, 3984324), (6, 3320270), (10, 1992162), (12, 1660135), (15, 1328108), (17, 1171860), (20, 996081), (30, 664054), (34, 585930), (51, 390620), (60, 332027), (68, 292965), (85, 234372), (102, 195310), (170, 117186), (204, 97655), (255, 78124), (340, 58593), (510, 39062), (1020, 19531)]