20199731050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{143617}}^1$

素因数の和:143755

約数の個数: 48

約数和(自身を含む): 39268033560

約数和(自身を除く): 19068302510

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 97, 145, 194, 290, 485, 725, 970, 1450, 2425, 2813, 4850, 5626, 14065, 28130, 70325, 140650, 143617, 287234, 718085, 1436170, 3590425, 4164893, 7180850, 8329786, 13930849, 20824465, 27861698, 41648930, 69654245, 104122325, 139308490, 208244650, 348271225, 403994621, 696542450, 807989242, 2019973105, 4039946210, 10099865525, 20199731050]

約数ペア:

[(1, 20199731050), (2, 10099865525), (5, 4039946210), (10, 2019973105), (25, 807989242), (29, 696542450), (50, 403994621), (58, 348271225), (97, 208244650), (145, 139308490), (194, 104122325), (290, 69654245), (485, 41648930), (725, 27861698), (970, 20824465), (1450, 13930849), (2425, 8329786), (2813, 7180850), (4850, 4164893), (5626, 3590425), (14065, 1436170), (28130, 718085), (70325, 287234), (140650, 143617)]