20080980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:966

約数の個数: 96

約数和(自身を含む): 64068480

約数和(自身を除く): 43987500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 907, 1107, 1230, 1476, 1814, 1845, 2214, 2460, 2721, 3628, 3690, 4428, 4535, 5442, 5535, 7380, 8163, 9070, 10884, 11070, 13605, 16326, 18140, 22140, 24489, 27210, 32652, 37187, 40815, 48978, 54420, 74374, 81630, 97956, 111561, 122445, 148748, 163260, 185935, 223122, 244890, 334683, 371870, 446244, 489780, 557805, 669366, 743740, 1004049, 1115610, 1338732, 1673415, 2008098, 2231220, 3346830, 4016196, 5020245, 6693660, 10040490, 20080980]

約数ペア:

[(1, 20080980), (2, 10040490), (3, 6693660), (4, 5020245), (5, 4016196), (6, 3346830), (9, 2231220), (10, 2008098), (12, 1673415), (15, 1338732), (18, 1115610), (20, 1004049), (27, 743740), (30, 669366), (36, 557805), (41, 489780), (45, 446244), (54, 371870), (60, 334683), (82, 244890), (90, 223122), (108, 185935), (123, 163260), (135, 148748), (164, 122445), (180, 111561), (205, 97956), (246, 81630), (270, 74374), (369, 54420), (410, 48978), (492, 40815), (540, 37187), (615, 32652), (738, 27210), (820, 24489), (907, 22140), (1107, 18140), (1230, 16326), (1476, 13605), (1814, 11070), (1845, 10884), (2214, 9070), (2460, 8163), (2721, 7380), (3628, 5535), (3690, 5442), (4428, 4535)]