20166496360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7100879}}^1$

素因数の和:7100961

約数の個数: 32

約数和(自身を含む): 46013702400

約数和(自身を除く): 25847206040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7100879, 14201758, 28403516, 35504395, 56807032, 71008790, 142017580, 284035160, 504162409, 1008324818, 2016649636, 2520812045, 4033299272, 5041624090, 10083248180, 20166496360]

約数ペア:

[(1, 20166496360), (2, 10083248180), (4, 5041624090), (5, 4033299272), (8, 2520812045), (10, 2016649636), (20, 1008324818), (40, 504162409), (71, 284035160), (142, 142017580), (284, 71008790), (355, 56807032), (568, 35504395), (710, 28403516), (1420, 14201758), (2840, 7100879)]