20591662

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2309}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 18216338

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2309, 4459, 4618, 8918, 16163, 30017, 32326, 60034, 113141, 210119, 226282, 420238, 791987, 1470833, 1583974, 2941666, 10295831, 20591662]

約数ペア:

[(1, 20591662), (2, 10295831), (7, 2941666), (13, 1583974), (14, 1470833), (26, 791987), (49, 420238), (91, 226282), (98, 210119), (182, 113141), (343, 60034), (637, 32326), (686, 30017), (1274, 16163), (2309, 8918), (4459, 4618)]