20852090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 45045504

約数和(自身を除く): 24193414

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 83, 97, 166, 185, 194, 259, 370, 415, 485, 518, 581, 679, 830, 970, 1162, 1295, 1358, 2590, 2905, 3071, 3395, 3589, 5810, 6142, 6790, 7178, 8051, 15355, 16102, 17945, 21497, 25123, 30710, 35890, 40255, 42994, 50246, 56357, 80510, 107485, 112714, 125615, 214970, 251230, 281785, 297887, 563570, 595774, 1489435, 2085209, 2978870, 4170418, 10426045, 20852090]

約数ペア:

[(1, 20852090), (2, 10426045), (5, 4170418), (7, 2978870), (10, 2085209), (14, 1489435), (35, 595774), (37, 563570), (70, 297887), (74, 281785), (83, 251230), (97, 214970), (166, 125615), (185, 112714), (194, 107485), (259, 80510), (370, 56357), (415, 50246), (485, 42994), (518, 40255), (581, 35890), (679, 30710), (830, 25123), (970, 21497), (1162, 17945), (1295, 16102), (1358, 15355), (2590, 8051), (2905, 7178), (3071, 6790), (3395, 6142), (3589, 5810)]