20335432

素因数分解:

$2^3\times {\mathrm{13}}^4\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 41770350

約数和(自身を除く): 21434918

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 169, 178, 338, 356, 676, 712, 1157, 1352, 2197, 2314, 4394, 4628, 8788, 9256, 15041, 17576, 28561, 30082, 57122, 60164, 114244, 120328, 195533, 228488, 391066, 782132, 1564264, 2541929, 5083858, 10167716, 20335432]

約数ペア:

[(1, 20335432), (2, 10167716), (4, 5083858), (8, 2541929), (13, 1564264), (26, 782132), (52, 391066), (89, 228488), (104, 195533), (169, 120328), (178, 114244), (338, 60164), (356, 57122), (676, 30082), (712, 28561), (1157, 17576), (1352, 15041), (2197, 9256), (2314, 8788), (4394, 4628)]