20159928

素因数分解:

$2^3\times 3^4\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 57629880

約数和(自身を除く): 37469952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 81, 106, 108, 159, 162, 212, 216, 318, 324, 424, 477, 587, 636, 648, 954, 1174, 1272, 1431, 1761, 1908, 2348, 2862, 3522, 3816, 4293, 4696, 5283, 5724, 7044, 8586, 10566, 11448, 14088, 15849, 17172, 21132, 31111, 31698, 34344, 42264, 47547, 62222, 63396, 93333, 95094, 124444, 126792, 186666, 190188, 248888, 279999, 373332, 380376, 559998, 746664, 839997, 1119996, 1679994, 2239992, 2519991, 3359988, 5039982, 6719976, 10079964, 20159928]

約数ペア:

[(1, 20159928), (2, 10079964), (3, 6719976), (4, 5039982), (6, 3359988), (8, 2519991), (9, 2239992), (12, 1679994), (18, 1119996), (24, 839997), (27, 746664), (36, 559998), (53, 380376), (54, 373332), (72, 279999), (81, 248888), (106, 190188), (108, 186666), (159, 126792), (162, 124444), (212, 95094), (216, 93333), (318, 63396), (324, 62222), (424, 47547), (477, 42264), (587, 34344), (636, 31698), (648, 31111), (954, 21132), (1174, 17172), (1272, 15849), (1431, 14088), (1761, 11448), (1908, 10566), (2348, 8586), (2862, 7044), (3522, 5724), (3816, 5283), (4293, 4696)]