20322172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 41050240

約数和(自身を除く): 20728068

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 247, 268, 307, 494, 614, 871, 988, 1228, 1273, 1742, 2546, 3484, 3991, 5092, 5833, 7982, 11666, 15964, 16549, 20569, 23332, 33098, 41138, 66196, 75829, 82276, 151658, 267397, 303316, 390811, 534794, 781622, 1069588, 1563244, 5080543, 10161086, 20322172]

約数ペア:

[(1, 20322172), (2, 10161086), (4, 5080543), (13, 1563244), (19, 1069588), (26, 781622), (38, 534794), (52, 390811), (67, 303316), (76, 267397), (134, 151658), (247, 82276), (268, 75829), (307, 66196), (494, 41138), (614, 33098), (871, 23332), (988, 20569), (1228, 16549), (1273, 15964), (1742, 11666), (2546, 7982), (3484, 5833), (3991, 5092)]