20975826

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 42997248

約数和(自身を除く): 22021422

約数列:

[1, 2, 3, 6, 61, 122, 183, 223, 257, 366, 446, 514, 669, 771, 1338, 1542, 13603, 15677, 27206, 31354, 40809, 47031, 57311, 81618, 94062, 114622, 171933, 343866, 3495971, 6991942, 10487913, 20975826]

約数ペア:

[(1, 20975826), (2, 10487913), (3, 6991942), (6, 3495971), (61, 343866), (122, 171933), (183, 114622), (223, 94062), (257, 81618), (366, 57311), (446, 47031), (514, 40809), (669, 31354), (771, 27206), (1338, 15677), (1542, 13603)]