20394045

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3083}}^1$

素因数の和:3111

約数の個数: 48

約数和(自身を含む): 42189120

約数和(自身を除く): 21795075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 3083, 6615, 9249, 15415, 21581, 27747, 46245, 64743, 83241, 107905, 138735, 151067, 194229, 323715, 416205, 453201, 582687, 755335, 971145, 1359603, 2266005, 2913435, 4078809, 6798015, 20394045]

約数ペア:

[(1, 20394045), (3, 6798015), (5, 4078809), (7, 2913435), (9, 2266005), (15, 1359603), (21, 971145), (27, 755335), (35, 582687), (45, 453201), (49, 416205), (63, 323715), (105, 194229), (135, 151067), (147, 138735), (189, 107905), (245, 83241), (315, 64743), (441, 46245), (735, 27747), (945, 21581), (1323, 15415), (2205, 9249), (3083, 6615)]