20700750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{3943}}^1$

素因数の和:3970

約数の個数: 64

約数和(自身を含む): 59065344

約数和(自身を除く): 38364594

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 3943, 5250, 7886, 11829, 19715, 23658, 27601, 39430, 55202, 59145, 82803, 98575, 118290, 138005, 165606, 197150, 276010, 295725, 414015, 492875, 591450, 690025, 828030, 985750, 1380050, 1478625, 2070075, 2957250, 3450125, 4140150, 6900250, 10350375, 20700750]

約数ペア:

[(1, 20700750), (2, 10350375), (3, 6900250), (5, 4140150), (6, 3450125), (7, 2957250), (10, 2070075), (14, 1478625), (15, 1380050), (21, 985750), (25, 828030), (30, 690025), (35, 591450), (42, 492875), (50, 414015), (70, 295725), (75, 276010), (105, 197150), (125, 165606), (150, 138005), (175, 118290), (210, 98575), (250, 82803), (350, 59145), (375, 55202), (525, 39430), (750, 27601), (875, 23658), (1050, 19715), (1750, 11829), (2625, 7886), (3943, 5250)]