20178804864

素因数分解:

$2^7\times 3^1\times {\mathrm{67}}^1\times {\mathrm{784313}}^1$

素因数の和:784397

約数の個数: 64

約数和(自身を含む): 54400019040

約数和(自身を除く): 34221214176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 268, 384, 402, 536, 804, 1072, 1608, 2144, 3216, 4288, 6432, 8576, 12864, 25728, 784313, 1568626, 2352939, 3137252, 4705878, 6274504, 9411756, 12549008, 18823512, 25098016, 37647024, 50196032, 52548971, 75294048, 100392064, 105097942, 150588096, 157646913, 210195884, 301176192, 315293826, 420391768, 630587652, 840783536, 1261175304, 1681567072, 2522350608, 3363134144, 5044701216, 6726268288, 10089402432, 20178804864]

約数ペア:

[(1, 20178804864), (2, 10089402432), (3, 6726268288), (4, 5044701216), (6, 3363134144), (8, 2522350608), (12, 1681567072), (16, 1261175304), (24, 840783536), (32, 630587652), (48, 420391768), (64, 315293826), (67, 301176192), (96, 210195884), (128, 157646913), (134, 150588096), (192, 105097942), (201, 100392064), (268, 75294048), (384, 52548971), (402, 50196032), (536, 37647024), (804, 25098016), (1072, 18823512), (1608, 12549008), (2144, 9411756), (3216, 6274504), (4288, 4705878), (6432, 3137252), (8576, 2352939), (12864, 1568626), (25728, 784313)]