20795815936

素因数分解:

$2^{11}\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20431}}^1$

素因数の和:20531

約数の個数: 96

約数和(自身を含む): 48193367040

約数和(自身を除く): 27397551104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 512, 568, 896, 994, 1024, 1136, 1792, 1988, 2048, 2272, 3584, 3976, 4544, 7168, 7952, 9088, 14336, 15904, 18176, 20431, 31808, 36352, 40862, 63616, 72704, 81724, 127232, 143017, 145408, 163448, 254464, 286034, 326896, 508928, 572068, 653792, 1017856, 1144136, 1307584, 1450601, 2288272, 2615168, 2901202, 4576544, 5230336, 5802404, 9153088, 10154207, 10460672, 11604808, 18306176, 20308414, 20921344, 23209616, 36612352, 40616828, 41842688, 46419232, 73224704, 81233656, 92838464, 146449408, 162467312, 185676928, 292898816, 324934624, 371353856, 649869248, 742707712, 1299738496, 1485415424, 2599476992, 2970830848, 5198953984, 10397907968, 20795815936]

約数ペア:

[(1, 20795815936), (2, 10397907968), (4, 5198953984), (7, 2970830848), (8, 2599476992), (14, 1485415424), (16, 1299738496), (28, 742707712), (32, 649869248), (56, 371353856), (64, 324934624), (71, 292898816), (112, 185676928), (128, 162467312), (142, 146449408), (224, 92838464), (256, 81233656), (284, 73224704), (448, 46419232), (497, 41842688), (512, 40616828), (568, 36612352), (896, 23209616), (994, 20921344), (1024, 20308414), (1136, 18306176), (1792, 11604808), (1988, 10460672), (2048, 10154207), (2272, 9153088), (3584, 5802404), (3976, 5230336), (4544, 4576544), (7168, 2901202), (7952, 2615168), (9088, 2288272), (14336, 1450601), (15904, 1307584), (18176, 1144136), (20431, 1017856), (31808, 653792), (36352, 572068), (40862, 508928), (63616, 326896), (72704, 286034), (81724, 254464), (127232, 163448), (143017, 145408)]