20753300

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 47496960

約数和(自身を除く): 26743660

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 71, 74, 79, 100, 142, 148, 158, 185, 284, 316, 355, 370, 395, 710, 740, 790, 925, 1420, 1580, 1775, 1850, 1975, 2627, 2923, 3550, 3700, 3950, 5254, 5609, 5846, 7100, 7900, 10508, 11218, 11692, 13135, 14615, 22436, 26270, 28045, 29230, 52540, 56090, 58460, 65675, 73075, 112180, 131350, 140225, 146150, 207533, 262700, 280450, 292300, 415066, 560900, 830132, 1037665, 2075330, 4150660, 5188325, 10376650, 20753300]

約数ペア:

[(1, 20753300), (2, 10376650), (4, 5188325), (5, 4150660), (10, 2075330), (20, 1037665), (25, 830132), (37, 560900), (50, 415066), (71, 292300), (74, 280450), (79, 262700), (100, 207533), (142, 146150), (148, 140225), (158, 131350), (185, 112180), (284, 73075), (316, 65675), (355, 58460), (370, 56090), (395, 52540), (710, 29230), (740, 28045), (790, 26270), (925, 22436), (1420, 14615), (1580, 13135), (1775, 11692), (1850, 11218), (1975, 10508), (2627, 7900), (2923, 7100), (3550, 5846), (3700, 5609), (3950, 5254)]