20686626

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 46683000

約数和(自身を除く): 25996374

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 89, 111, 178, 222, 267, 333, 349, 534, 666, 698, 801, 1047, 1602, 2094, 3141, 3293, 6282, 6586, 9879, 12913, 19758, 25826, 29637, 31061, 38739, 59274, 62122, 77478, 93183, 116217, 186366, 232434, 279549, 559098, 1149257, 2298514, 3447771, 6895542, 10343313, 20686626]

約数ペア:

[(1, 20686626), (2, 10343313), (3, 6895542), (6, 3447771), (9, 2298514), (18, 1149257), (37, 559098), (74, 279549), (89, 232434), (111, 186366), (178, 116217), (222, 93183), (267, 77478), (333, 62122), (349, 59274), (534, 38739), (666, 31061), (698, 29637), (801, 25826), (1047, 19758), (1602, 12913), (2094, 9879), (3141, 6586), (3293, 6282)]