20827300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 50102696

約数和(自身を除く): 29275396

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 370, 433, 481, 650, 740, 866, 925, 962, 1300, 1732, 1850, 1924, 2165, 2405, 3700, 4330, 4810, 5629, 8660, 9620, 10825, 11258, 12025, 16021, 21650, 22516, 24050, 28145, 32042, 43300, 48100, 56290, 64084, 80105, 112580, 140725, 160210, 208273, 281450, 320420, 400525, 416546, 562900, 801050, 833092, 1041365, 1602100, 2082730, 4165460, 5206825, 10413650, 20827300]

約数ペア:

[(1, 20827300), (2, 10413650), (4, 5206825), (5, 4165460), (10, 2082730), (13, 1602100), (20, 1041365), (25, 833092), (26, 801050), (37, 562900), (50, 416546), (52, 400525), (65, 320420), (74, 281450), (100, 208273), (130, 160210), (148, 140725), (185, 112580), (260, 80105), (325, 64084), (370, 56290), (433, 48100), (481, 43300), (650, 32042), (740, 28145), (866, 24050), (925, 22516), (962, 21650), (1300, 16021), (1732, 12025), (1850, 11258), (1924, 10825), (2165, 9620), (2405, 8660), (3700, 5629), (4330, 4810)]