20237888

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 112

約数和(自身を含む): 49377600

約数和(自身を除く): 29139712

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 64, 68, 76, 88, 89, 136, 152, 176, 178, 187, 209, 272, 304, 323, 352, 356, 374, 418, 544, 608, 646, 704, 712, 748, 836, 979, 1088, 1216, 1292, 1424, 1496, 1513, 1672, 1691, 1958, 2584, 2848, 2992, 3026, 3344, 3382, 3553, 3916, 5168, 5696, 5984, 6052, 6688, 6764, 7106, 7832, 10336, 11968, 12104, 13376, 13528, 14212, 15664, 16643, 18601, 20672, 24208, 27056, 28424, 28747, 31328, 33286, 37202, 48416, 54112, 56848, 57494, 62656, 66572, 74404, 96832, 108224, 113696, 114988, 133144, 148808, 227392, 229976, 266288, 297616, 316217, 459952, 532576, 595232, 632434, 919904, 1065152, 1190464, 1264868, 1839808, 2529736, 5059472, 10118944, 20237888]

約数ペア:

[(1, 20237888), (2, 10118944), (4, 5059472), (8, 2529736), (11, 1839808), (16, 1264868), (17, 1190464), (19, 1065152), (22, 919904), (32, 632434), (34, 595232), (38, 532576), (44, 459952), (64, 316217), (68, 297616), (76, 266288), (88, 229976), (89, 227392), (136, 148808), (152, 133144), (176, 114988), (178, 113696), (187, 108224), (209, 96832), (272, 74404), (304, 66572), (323, 62656), (352, 57494), (356, 56848), (374, 54112), (418, 48416), (544, 37202), (608, 33286), (646, 31328), (704, 28747), (712, 28424), (748, 27056), (836, 24208), (979, 20672), (1088, 18601), (1216, 16643), (1292, 15664), (1424, 14212), (1496, 13528), (1513, 13376), (1672, 12104), (1691, 11968), (1958, 10336), (2584, 7832), (2848, 7106), (2992, 6764), (3026, 6688), (3344, 6052), (3382, 5984), (3553, 5696), (3916, 5168)]