20300300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4778

約数の個数: 36

約数和(自身を含む): 45085656

約数和(自身を除く): 24785356

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 4721, 9442, 18884, 23605, 47210, 94420, 118025, 203003, 236050, 406006, 472100, 812012, 1015015, 2030030, 4060060, 5075075, 10150150, 20300300]

約数ペア:

[(1, 20300300), (2, 10150150), (4, 5075075), (5, 4060060), (10, 2030030), (20, 1015015), (25, 812012), (43, 472100), (50, 406006), (86, 236050), (100, 203003), (172, 118025), (215, 94420), (430, 47210), (860, 23605), (1075, 18884), (2150, 9442), (4300, 4721)]