20871168

素因数分解:

$2^{11}\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 36786432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 79, 86, 96, 128, 129, 158, 172, 192, 237, 256, 258, 316, 344, 384, 474, 512, 516, 632, 688, 768, 948, 1024, 1032, 1264, 1376, 1536, 1896, 2048, 2064, 2528, 2752, 3072, 3397, 3792, 4128, 5056, 5504, 6144, 6794, 7584, 8256, 10112, 10191, 11008, 13588, 15168, 16512, 20224, 20382, 22016, 27176, 30336, 33024, 40448, 40764, 44032, 54352, 60672, 66048, 80896, 81528, 88064, 108704, 121344, 132096, 161792, 163056, 217408, 242688, 264192, 326112, 434816, 485376, 652224, 869632, 1304448, 1739264, 2608896, 3478528, 5217792, 6957056, 10435584, 20871168]

約数ペア:

[(1, 20871168), (2, 10435584), (3, 6957056), (4, 5217792), (6, 3478528), (8, 2608896), (12, 1739264), (16, 1304448), (24, 869632), (32, 652224), (43, 485376), (48, 434816), (64, 326112), (79, 264192), (86, 242688), (96, 217408), (128, 163056), (129, 161792), (158, 132096), (172, 121344), (192, 108704), (237, 88064), (256, 81528), (258, 80896), (316, 66048), (344, 60672), (384, 54352), (474, 44032), (512, 40764), (516, 40448), (632, 33024), (688, 30336), (768, 27176), (948, 22016), (1024, 20382), (1032, 20224), (1264, 16512), (1376, 15168), (1536, 13588), (1896, 11008), (2048, 10191), (2064, 10112), (2528, 8256), (2752, 7584), (3072, 6794), (3397, 6144), (3792, 5504), (4128, 5056)]