20715624

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{797}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 59287410

約数和(自身を除く): 38571786

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 797, 1083, 1368, 1444, 1594, 2166, 2391, 2888, 3188, 3249, 4332, 4782, 6376, 6498, 7173, 8664, 9564, 12996, 14346, 15143, 19128, 25992, 28692, 30286, 45429, 57384, 60572, 90858, 121144, 136287, 181716, 272574, 287717, 363432, 545148, 575434, 863151, 1090296, 1150868, 1726302, 2301736, 2589453, 3452604, 5178906, 6905208, 10357812, 20715624]

約数ペア:

[(1, 20715624), (2, 10357812), (3, 6905208), (4, 5178906), (6, 3452604), (8, 2589453), (9, 2301736), (12, 1726302), (18, 1150868), (19, 1090296), (24, 863151), (36, 575434), (38, 545148), (57, 363432), (72, 287717), (76, 272574), (114, 181716), (152, 136287), (171, 121144), (228, 90858), (342, 60572), (361, 57384), (456, 45429), (684, 30286), (722, 28692), (797, 25992), (1083, 19128), (1368, 15143), (1444, 14346), (1594, 12996), (2166, 9564), (2391, 8664), (2888, 7173), (3188, 6498), (3249, 6376), (4332, 4782)]