20313122

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 12684766

約数列:

[1, 2, 31, 41, 61, 62, 82, 122, 131, 262, 1271, 1891, 2501, 2542, 3782, 4061, 5002, 5371, 7991, 8122, 10742, 15982, 77531, 155062, 166501, 247721, 327631, 333002, 495442, 655262, 10156561, 20313122]

約数ペア:

[(1, 20313122), (2, 10156561), (31, 655262), (41, 495442), (61, 333002), (62, 327631), (82, 247721), (122, 166501), (131, 155062), (262, 77531), (1271, 15982), (1891, 10742), (2501, 8122), (2542, 7991), (3782, 5371), (4061, 5002)]