20228715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 38176320

約数和(自身を除く): 17947605

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 151, 195, 229, 453, 585, 687, 755, 1145, 1359, 1963, 2061, 2265, 2977, 3435, 5889, 6795, 8931, 9815, 10305, 14885, 17667, 26793, 29445, 34579, 44655, 88335, 103737, 133965, 172895, 311211, 449527, 518685, 1348581, 1556055, 2247635, 4045743, 6742905, 20228715]

約数ペア:

[(1, 20228715), (3, 6742905), (5, 4045743), (9, 2247635), (13, 1556055), (15, 1348581), (39, 518685), (45, 449527), (65, 311211), (117, 172895), (151, 133965), (195, 103737), (229, 88335), (453, 44655), (585, 34579), (687, 29445), (755, 26793), (1145, 17667), (1359, 14885), (1963, 10305), (2061, 9815), (2265, 8931), (2977, 6795), (3435, 5889)]