20177391378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{6653}}^1\times {\mathrm{21977}}^1$

素因数の和:28658

約数の個数: 32

約数和(自身を含む): 42117584256

約数和(自身を除く): 21940192878

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 6653, 13306, 19959, 21977, 39918, 43954, 65931, 131862, 153019, 306038, 459057, 505471, 918114, 1010942, 1516413, 3032826, 146212981, 292425962, 438638943, 877277886, 3362898563, 6725797126, 10088695689, 20177391378]

約数ペア:

[(1, 20177391378), (2, 10088695689), (3, 6725797126), (6, 3362898563), (23, 877277886), (46, 438638943), (69, 292425962), (138, 146212981), (6653, 3032826), (13306, 1516413), (19959, 1010942), (21977, 918114), (39918, 505471), (43954, 459057), (65931, 306038), (131862, 153019)]