20681650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1267

約数の個数: 48

約数和(自身を含む): 43354368

約数和(自身を除く): 22672718

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 155, 275, 310, 341, 550, 682, 775, 1213, 1550, 1705, 2426, 3410, 6065, 8525, 12130, 13343, 17050, 26686, 30325, 37603, 60650, 66715, 75206, 133430, 188015, 333575, 376030, 413633, 667150, 827266, 940075, 1880150, 2068165, 4136330, 10340825, 20681650]

約数ペア:

[(1, 20681650), (2, 10340825), (5, 4136330), (10, 2068165), (11, 1880150), (22, 940075), (25, 827266), (31, 667150), (50, 413633), (55, 376030), (62, 333575), (110, 188015), (155, 133430), (275, 75206), (310, 66715), (341, 60650), (550, 37603), (682, 30325), (775, 26686), (1213, 17050), (1550, 13343), (1705, 12130), (2426, 8525), (3410, 6065)]