20172591261

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1\times {\mathrm{757}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 30111380208

約数和(自身を除く): 9938788947

約数列:

[1, 3, 9, 41, 123, 257, 281, 369, 757, 771, 843, 2271, 2313, 2529, 6813, 10537, 11521, 31037, 31611, 34563, 72217, 93111, 94833, 103689, 194549, 212717, 216651, 279333, 583647, 638151, 649953, 1750941, 1914453, 2960897, 7976509, 8721397, 8882691, 23929527, 26164191, 26648073, 54668269, 71788581, 78492573, 164004807, 492014421, 2241399029, 6724197087, 20172591261]

約数ペア:

[(1, 20172591261), (3, 6724197087), (9, 2241399029), (41, 492014421), (123, 164004807), (257, 78492573), (281, 71788581), (369, 54668269), (757, 26648073), (771, 26164191), (843, 23929527), (2271, 8882691), (2313, 8721397), (2529, 7976509), (6813, 2960897), (10537, 1914453), (11521, 1750941), (31037, 649953), (31611, 638151), (34563, 583647), (72217, 279333), (93111, 216651), (94833, 212717), (103689, 194549)]