20011331316

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{820271}}^1$

素因数の和:820404

約数の個数: 48

約数和(自身を含む): 49610050560

約数和(自身を除く): 29598719244

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 107, 114, 214, 228, 321, 428, 642, 1284, 2033, 4066, 6099, 8132, 12198, 24396, 820271, 1640542, 2460813, 3281084, 4921626, 9843252, 15585149, 31170298, 46755447, 62340596, 87768997, 93510894, 175537994, 187021788, 263306991, 351075988, 526613982, 1053227964, 1667610943, 3335221886, 5002832829, 6670443772, 10005665658, 20011331316]

約数ペア:

[(1, 20011331316), (2, 10005665658), (3, 6670443772), (4, 5002832829), (6, 3335221886), (12, 1667610943), (19, 1053227964), (38, 526613982), (57, 351075988), (76, 263306991), (107, 187021788), (114, 175537994), (214, 93510894), (228, 87768997), (321, 62340596), (428, 46755447), (642, 31170298), (1284, 15585149), (2033, 9843252), (4066, 4921626), (6099, 3281084), (8132, 2460813), (12198, 1640542), (24396, 820271)]