20091600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5581}}^1$

素因数の和:5605

約数の個数: 90

約数和(自身を含む): 69735926

約数和(自身を除く): 49644326

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5581, 11162, 16743, 22324, 27905, 33486, 44648, 50229, 55810, 66972, 83715, 89296, 100458, 111620, 133944, 139525, 167430, 200916, 223240, 251145, 267888, 279050, 334860, 401832, 418575, 446480, 502290, 558100, 669720, 803664, 837150, 1004580, 1116200, 1255725, 1339440, 1674300, 2009160, 2232400, 2511450, 3348600, 4018320, 5022900, 6697200, 10045800, 20091600]

約数ペア:

[(1, 20091600), (2, 10045800), (3, 6697200), (4, 5022900), (5, 4018320), (6, 3348600), (8, 2511450), (9, 2232400), (10, 2009160), (12, 1674300), (15, 1339440), (16, 1255725), (18, 1116200), (20, 1004580), (24, 837150), (25, 803664), (30, 669720), (36, 558100), (40, 502290), (45, 446480), (48, 418575), (50, 401832), (60, 334860), (72, 279050), (75, 267888), (80, 251145), (90, 223240), (100, 200916), (120, 167430), (144, 139525), (150, 133944), (180, 111620), (200, 100458), (225, 89296), (240, 83715), (300, 66972), (360, 55810), (400, 50229), (450, 44648), (600, 33486), (720, 27905), (900, 22324), (1200, 16743), (1800, 11162), (3600, 5581)]