20083455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 40235520

約数和(自身を除く): 20152065

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 103, 105, 309, 315, 515, 619, 721, 927, 1545, 1857, 2163, 3095, 3605, 4333, 4635, 5571, 6489, 9285, 10815, 12999, 21665, 27855, 32445, 38997, 63757, 64995, 191271, 194985, 318785, 446299, 573813, 956355, 1338897, 2231495, 2869065, 4016691, 6694485, 20083455]

約数ペア:

[(1, 20083455), (3, 6694485), (5, 4016691), (7, 2869065), (9, 2231495), (15, 1338897), (21, 956355), (35, 573813), (45, 446299), (63, 318785), (103, 194985), (105, 191271), (309, 64995), (315, 63757), (515, 38997), (619, 32445), (721, 27855), (927, 21665), (1545, 12999), (1857, 10815), (2163, 9285), (3095, 6489), (3605, 5571), (4333, 4635)]