20168600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3300

約数の個数: 48

約数和(自身を含む): 48419520

約数和(自身を除く): 28250920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3253, 6200, 6506, 13012, 16265, 26024, 32530, 65060, 81325, 100843, 130120, 162650, 201686, 325300, 403372, 504215, 650600, 806744, 1008430, 2016860, 2521075, 4033720, 5042150, 10084300, 20168600]

約数ペア:

[(1, 20168600), (2, 10084300), (4, 5042150), (5, 4033720), (8, 2521075), (10, 2016860), (20, 1008430), (25, 806744), (31, 650600), (40, 504215), (50, 403372), (62, 325300), (100, 201686), (124, 162650), (155, 130120), (200, 100843), (248, 81325), (310, 65060), (620, 32530), (775, 26024), (1240, 16265), (1550, 13012), (3100, 6506), (3253, 6200)]