20522520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 67438800

約数和(自身を除く): 46916280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 523, 545, 654, 872, 981, 1046, 1090, 1308, 1569, 1635, 1962, 2092, 2180, 2615, 2616, 3138, 3270, 3924, 4184, 4360, 4707, 4905, 5230, 6276, 6540, 7845, 7848, 9414, 9810, 10460, 12552, 13080, 15690, 18828, 19620, 20920, 23535, 31380, 37656, 39240, 47070, 57007, 62760, 94140, 114014, 171021, 188280, 228028, 285035, 342042, 456056, 513063, 570070, 684084, 855105, 1026126, 1140140, 1368168, 1710210, 2052252, 2280280, 2565315, 3420420, 4104504, 5130630, 6840840, 10261260, 20522520]

約数ペア:

[(1, 20522520), (2, 10261260), (3, 6840840), (4, 5130630), (5, 4104504), (6, 3420420), (8, 2565315), (9, 2280280), (10, 2052252), (12, 1710210), (15, 1368168), (18, 1140140), (20, 1026126), (24, 855105), (30, 684084), (36, 570070), (40, 513063), (45, 456056), (60, 342042), (72, 285035), (90, 228028), (109, 188280), (120, 171021), (180, 114014), (218, 94140), (327, 62760), (360, 57007), (436, 47070), (523, 39240), (545, 37656), (654, 31380), (872, 23535), (981, 20920), (1046, 19620), (1090, 18828), (1308, 15690), (1569, 13080), (1635, 12552), (1962, 10460), (2092, 9810), (2180, 9414), (2615, 7848), (2616, 7845), (3138, 6540), (3270, 6276), (3924, 5230), (4184, 4905), (4360, 4707)]