20421882

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9697}}^1$

素因数の和:9724

約数の個数: 40

約数和(自身を含む): 49285236

約数和(自身を除く): 28863354

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9697, 19394, 29091, 58182, 87273, 126061, 174546, 252122, 261819, 378183, 523638, 756366, 785457, 1134549, 1570914, 2269098, 3403647, 6807294, 10210941, 20421882]

約数ペア:

[(1, 20421882), (2, 10210941), (3, 6807294), (6, 3403647), (9, 2269098), (13, 1570914), (18, 1134549), (26, 785457), (27, 756366), (39, 523638), (54, 378183), (78, 261819), (81, 252122), (117, 174546), (162, 126061), (234, 87273), (351, 58182), (702, 29091), (1053, 19394), (2106, 9697)]