20574120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3499}}^1$

素因数の和:3527

約数の個数: 96

約数和(自身を含む): 71820000

約数和(自身を除く): 51245880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3499, 5880, 6998, 10497, 13996, 17495, 20994, 24493, 27992, 34990, 41988, 48986, 52485, 69980, 73479, 83976, 97972, 104970, 122465, 139960, 146958, 171451, 195944, 209940, 244930, 293916, 342902, 367395, 419880, 489860, 514353, 587832, 685804, 734790, 857255, 979720, 1028706, 1371608, 1469580, 1714510, 2057412, 2571765, 2939160, 3429020, 4114824, 5143530, 6858040, 10287060, 20574120]

約数ペア:

[(1, 20574120), (2, 10287060), (3, 6858040), (4, 5143530), (5, 4114824), (6, 3429020), (7, 2939160), (8, 2571765), (10, 2057412), (12, 1714510), (14, 1469580), (15, 1371608), (20, 1028706), (21, 979720), (24, 857255), (28, 734790), (30, 685804), (35, 587832), (40, 514353), (42, 489860), (49, 419880), (56, 367395), (60, 342902), (70, 293916), (84, 244930), (98, 209940), (105, 195944), (120, 171451), (140, 146958), (147, 139960), (168, 122465), (196, 104970), (210, 97972), (245, 83976), (280, 73479), (294, 69980), (392, 52485), (420, 48986), (490, 41988), (588, 34990), (735, 27992), (840, 24493), (980, 20994), (1176, 17495), (1470, 13996), (1960, 10497), (2940, 6998), (3499, 5880)]