20917854

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 48370608

約数和(自身を除く): 27452754

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 197, 306, 347, 394, 591, 694, 1041, 1182, 1773, 2082, 3123, 3349, 3546, 5899, 6246, 6698, 10047, 11798, 17697, 20094, 30141, 35394, 53091, 60282, 68359, 106182, 136718, 205077, 410154, 615231, 1162103, 1230462, 2324206, 3486309, 6972618, 10458927, 20917854]

約数ペア:

[(1, 20917854), (2, 10458927), (3, 6972618), (6, 3486309), (9, 2324206), (17, 1230462), (18, 1162103), (34, 615231), (51, 410154), (102, 205077), (153, 136718), (197, 106182), (306, 68359), (347, 60282), (394, 53091), (591, 35394), (694, 30141), (1041, 20094), (1182, 17697), (1773, 11798), (2082, 10047), (3123, 6698), (3349, 6246), (3546, 5899)]