20348857975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{2969}}^1$

素因数の和:3352

約数の個数: 48

約数和(自身を含む): 27223257600

約数和(自身を除く): 6874399625

約数列:

[1, 5, 19, 25, 47, 95, 235, 307, 475, 893, 1175, 1535, 2969, 4465, 5833, 7675, 14429, 14845, 22325, 29165, 56411, 72145, 74225, 139543, 145825, 274151, 282055, 360725, 697715, 911483, 1370755, 1410275, 2651317, 3488575, 4557415, 6853775, 13256585, 17318177, 22787075, 42839701, 66282925, 86590885, 214198505, 432954425, 813954319, 1070992525, 4069771595, 20348857975]

約数ペア:

[(1, 20348857975), (5, 4069771595), (19, 1070992525), (25, 813954319), (47, 432954425), (95, 214198505), (235, 86590885), (307, 66282925), (475, 42839701), (893, 22787075), (1175, 17318177), (1535, 13256585), (2969, 6853775), (4465, 4557415), (5833, 3488575), (7675, 2651317), (14429, 1410275), (14845, 1370755), (22325, 911483), (29165, 697715), (56411, 360725), (72145, 282055), (74225, 274151), (139543, 145825)]