20700863000

素因数分解:

$2^3\times 5^3\times {\mathrm{523}}^1\times {\mathrm{39581}}^1$

素因数の和:40125

約数の個数: 64

約数和(自身を含む): 48533865120

約数和(自身を除く): 27833002120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 523, 1000, 1046, 2092, 2615, 4184, 5230, 10460, 13075, 20920, 26150, 39581, 52300, 65375, 79162, 104600, 130750, 158324, 197905, 261500, 316648, 395810, 523000, 791620, 989525, 1583240, 1979050, 3958100, 4947625, 7916200, 9895250, 19790500, 20700863, 39581000, 41401726, 82803452, 103504315, 165606904, 207008630, 414017260, 517521575, 828034520, 1035043150, 2070086300, 2587607875, 4140172600, 5175215750, 10350431500, 20700863000]

約数ペア:

[(1, 20700863000), (2, 10350431500), (4, 5175215750), (5, 4140172600), (8, 2587607875), (10, 2070086300), (20, 1035043150), (25, 828034520), (40, 517521575), (50, 414017260), (100, 207008630), (125, 165606904), (200, 103504315), (250, 82803452), (500, 41401726), (523, 39581000), (1000, 20700863), (1046, 19790500), (2092, 9895250), (2615, 7916200), (4184, 4947625), (5230, 3958100), (10460, 1979050), (13075, 1583240), (20920, 989525), (26150, 791620), (39581, 523000), (52300, 395810), (65375, 316648), (79162, 261500), (104600, 197905), (130750, 158324)]