20560850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 42050880

約数和(自身を除く): 21490030

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 437, 475, 575, 874, 941, 950, 1150, 1882, 2185, 4370, 4705, 9410, 10925, 17879, 21643, 21850, 23525, 35758, 43286, 47050, 89395, 108215, 178790, 216430, 411217, 446975, 541075, 822434, 893950, 1082150, 2056085, 4112170, 10280425, 20560850]

約数ペア:

[(1, 20560850), (2, 10280425), (5, 4112170), (10, 2056085), (19, 1082150), (23, 893950), (25, 822434), (38, 541075), (46, 446975), (50, 411217), (95, 216430), (115, 178790), (190, 108215), (230, 89395), (437, 47050), (475, 43286), (575, 35758), (874, 23525), (941, 21850), (950, 21643), (1150, 17879), (1882, 10925), (2185, 9410), (4370, 4705)]