20120550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4373

約数の個数: 48

約数和(自身を含む): 51520512

約数和(自身を除く): 31399962

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4327, 4650, 8654, 12981, 21635, 25962, 43270, 64905, 108175, 129810, 134137, 216350, 268274, 324525, 402411, 649050, 670685, 804822, 1341370, 2012055, 3353425, 4024110, 6706850, 10060275, 20120550]

約数ペア:

[(1, 20120550), (2, 10060275), (3, 6706850), (5, 4024110), (6, 3353425), (10, 2012055), (15, 1341370), (25, 804822), (30, 670685), (31, 649050), (50, 402411), (62, 324525), (75, 268274), (93, 216350), (150, 134137), (155, 129810), (186, 108175), (310, 64905), (465, 43270), (775, 25962), (930, 21635), (1550, 12981), (2325, 8654), (4327, 4650)]