20227716

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 53333280

約数和(自身を除く): 33105564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 73, 86, 129, 146, 172, 179, 219, 258, 292, 358, 387, 438, 516, 537, 657, 716, 774, 876, 1074, 1314, 1548, 1611, 2148, 2628, 3139, 3222, 6278, 6444, 7697, 9417, 12556, 13067, 15394, 18834, 23091, 26134, 28251, 30788, 37668, 39201, 46182, 52268, 56502, 69273, 78402, 92364, 113004, 117603, 138546, 156804, 235206, 277092, 470412, 561881, 1123762, 1685643, 2247524, 3371286, 5056929, 6742572, 10113858, 20227716]

約数ペア:

[(1, 20227716), (2, 10113858), (3, 6742572), (4, 5056929), (6, 3371286), (9, 2247524), (12, 1685643), (18, 1123762), (36, 561881), (43, 470412), (73, 277092), (86, 235206), (129, 156804), (146, 138546), (172, 117603), (179, 113004), (219, 92364), (258, 78402), (292, 69273), (358, 56502), (387, 52268), (438, 46182), (516, 39201), (537, 37668), (657, 30788), (716, 28251), (774, 26134), (876, 23091), (1074, 18834), (1314, 15394), (1548, 13067), (1611, 12556), (2148, 9417), (2628, 7697), (3139, 6444), (3222, 6278)]