20716300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 50465520

約数和(自身を除く): 29749220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 148, 185, 220, 275, 370, 407, 509, 550, 740, 814, 925, 1018, 1100, 1628, 1850, 2035, 2036, 2545, 3700, 4070, 5090, 5599, 8140, 10175, 10180, 11198, 12725, 18833, 20350, 22396, 25450, 27995, 37666, 40700, 50900, 55990, 75332, 94165, 111980, 139975, 188330, 207163, 279950, 376660, 414326, 470825, 559900, 828652, 941650, 1035815, 1883300, 2071630, 4143260, 5179075, 10358150, 20716300]

約数ペア:

[(1, 20716300), (2, 10358150), (4, 5179075), (5, 4143260), (10, 2071630), (11, 1883300), (20, 1035815), (22, 941650), (25, 828652), (37, 559900), (44, 470825), (50, 414326), (55, 376660), (74, 279950), (100, 207163), (110, 188330), (148, 139975), (185, 111980), (220, 94165), (275, 75332), (370, 55990), (407, 50900), (509, 40700), (550, 37666), (740, 27995), (814, 25450), (925, 22396), (1018, 20350), (1100, 18833), (1628, 12725), (1850, 11198), (2035, 10180), (2036, 10175), (2545, 8140), (3700, 5599), (4070, 5090)]