20840250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 53494272

約数和(自身を除く): 32654022

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 125, 150, 185, 222, 250, 370, 375, 555, 750, 751, 925, 1110, 1502, 1850, 2253, 2775, 3755, 4506, 4625, 5550, 7510, 9250, 11265, 13875, 18775, 22530, 27750, 27787, 37550, 55574, 56325, 83361, 93875, 112650, 138935, 166722, 187750, 277870, 281625, 416805, 563250, 694675, 833610, 1389350, 2084025, 3473375, 4168050, 6946750, 10420125, 20840250]

約数ペア:

[(1, 20840250), (2, 10420125), (3, 6946750), (5, 4168050), (6, 3473375), (10, 2084025), (15, 1389350), (25, 833610), (30, 694675), (37, 563250), (50, 416805), (74, 281625), (75, 277870), (111, 187750), (125, 166722), (150, 138935), (185, 112650), (222, 93875), (250, 83361), (370, 56325), (375, 55574), (555, 37550), (750, 27787), (751, 27750), (925, 22530), (1110, 18775), (1502, 13875), (1850, 11265), (2253, 9250), (2775, 7510), (3755, 5550), (4506, 4625)]