20726600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3343}}^1$

素因数の和:3390

約数の個数: 48

約数和(自身を含む): 49758720

約数和(自身を除く): 29032120

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, 3343, 6200, 6686, 13372, 16715, 26744, 33430, 66860, 83575, 103633, 133720, 167150, 207266, 334300, 414532, 518165, 668600, 829064, 1036330, 2072660, 2590825, 4145320, 5181650, 10363300, 20726600]

約数ペア:

[(1, 20726600), (2, 10363300), (4, 5181650), (5, 4145320), (8, 2590825), (10, 2072660), (20, 1036330), (25, 829064), (31, 668600), (40, 518165), (50, 414532), (62, 334300), (100, 207266), (124, 167150), (155, 133720), (200, 103633), (248, 83575), (310, 66860), (620, 33430), (775, 26744), (1240, 16715), (1550, 13372), (3100, 6686), (3343, 6200)]