19936560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11867}}^1$

素因数の和:11890

約数の個数: 80

約数和(自身を含む): 70638336

約数和(自身を除く): 50701776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11867, 23734, 35601, 47468, 59335, 71202, 83069, 94936, 118670, 142404, 166138, 178005, 189872, 237340, 249207, 284808, 332276, 356010, 415345, 474680, 498414, 569616, 664552, 712020, 830690, 949360, 996828, 1246035, 1329104, 1424040, 1661380, 1993656, 2492070, 2848080, 3322760, 3987312, 4984140, 6645520, 9968280, 19936560]

約数ペア:

[(1, 19936560), (2, 9968280), (3, 6645520), (4, 4984140), (5, 3987312), (6, 3322760), (7, 2848080), (8, 2492070), (10, 1993656), (12, 1661380), (14, 1424040), (15, 1329104), (16, 1246035), (20, 996828), (21, 949360), (24, 830690), (28, 712020), (30, 664552), (35, 569616), (40, 498414), (42, 474680), (48, 415345), (56, 356010), (60, 332276), (70, 284808), (80, 249207), (84, 237340), (105, 189872), (112, 178005), (120, 166138), (140, 142404), (168, 118670), (210, 94936), (240, 83069), (280, 71202), (336, 59335), (420, 47468), (560, 35601), (840, 23734), (1680, 11867)]