20017228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3823}}^1$

素因数の和:3862

約数の個数: 48

約数和(自身を含む): 46255104

約数和(自身を除く): 26237876

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3823, 5236, 7646, 15292, 26761, 42053, 53522, 64991, 84106, 107044, 129982, 168212, 259964, 294371, 454937, 588742, 714901, 909874, 1177484, 1429802, 1819748, 2859604, 5004307, 10008614, 20017228]

約数ペア:

[(1, 20017228), (2, 10008614), (4, 5004307), (7, 2859604), (11, 1819748), (14, 1429802), (17, 1177484), (22, 909874), (28, 714901), (34, 588742), (44, 454937), (68, 294371), (77, 259964), (119, 168212), (154, 129982), (187, 107044), (238, 84106), (308, 64991), (374, 53522), (476, 42053), (748, 26761), (1309, 15292), (2618, 7646), (3823, 5236)]