20144478976

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{48187}}^1$

素因数の和:48297

約数の個数: 72

約数和(自身を含む): 42550389504

約数和(自身を除く): 22405910528

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 128, 142, 184, 256, 284, 368, 568, 736, 1136, 1472, 1633, 2272, 2944, 3266, 4544, 5888, 6532, 9088, 13064, 18176, 26128, 48187, 52256, 96374, 104512, 192748, 209024, 385496, 418048, 770992, 1108301, 1541984, 2216602, 3083968, 3421277, 4433204, 6167936, 6842554, 8866408, 12335872, 13685108, 17732816, 27370216, 35465632, 54740432, 70931264, 78689371, 109480864, 141862528, 157378742, 218961728, 283725056, 314757484, 437923456, 629514968, 875846912, 1259029936, 2518059872, 5036119744, 10072239488, 20144478976]

約数ペア:

[(1, 20144478976), (2, 10072239488), (4, 5036119744), (8, 2518059872), (16, 1259029936), (23, 875846912), (32, 629514968), (46, 437923456), (64, 314757484), (71, 283725056), (92, 218961728), (128, 157378742), (142, 141862528), (184, 109480864), (256, 78689371), (284, 70931264), (368, 54740432), (568, 35465632), (736, 27370216), (1136, 17732816), (1472, 13685108), (1633, 12335872), (2272, 8866408), (2944, 6842554), (3266, 6167936), (4544, 4433204), (5888, 3421277), (6532, 3083968), (9088, 2216602), (13064, 1541984), (18176, 1108301), (26128, 770992), (48187, 418048), (52256, 385496), (96374, 209024), (104512, 192748)]