20041504

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 50440320

約数和(自身を除く): 30398816

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 224, 238, 266, 272, 277, 304, 323, 476, 532, 544, 554, 608, 646, 952, 1064, 1108, 1292, 1904, 1939, 2128, 2216, 2261, 2584, 3808, 3878, 4256, 4432, 4522, 4709, 5168, 5263, 7756, 8864, 9044, 9418, 10336, 10526, 15512, 18088, 18836, 21052, 31024, 32963, 36176, 36841, 37672, 42104, 62048, 65926, 72352, 73682, 75344, 84208, 89471, 131852, 147364, 150688, 168416, 178942, 263704, 294728, 357884, 527408, 589456, 626297, 715768, 1054816, 1178912, 1252594, 1431536, 2505188, 2863072, 5010376, 10020752, 20041504]

約数ペア:

[(1, 20041504), (2, 10020752), (4, 5010376), (7, 2863072), (8, 2505188), (14, 1431536), (16, 1252594), (17, 1178912), (19, 1054816), (28, 715768), (32, 626297), (34, 589456), (38, 527408), (56, 357884), (68, 294728), (76, 263704), (112, 178942), (119, 168416), (133, 150688), (136, 147364), (152, 131852), (224, 89471), (238, 84208), (266, 75344), (272, 73682), (277, 72352), (304, 65926), (323, 62048), (476, 42104), (532, 37672), (544, 36841), (554, 36176), (608, 32963), (646, 31024), (952, 21052), (1064, 18836), (1108, 18088), (1292, 15512), (1904, 10526), (1939, 10336), (2128, 9418), (2216, 9044), (2261, 8864), (2584, 7756), (3808, 5263), (3878, 5168), (4256, 4709), (4432, 4522)]