20346885376

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{70901}}^1$

素因数の和:70995

約数の個数: 72

約数和(自身を含む): 43477106400

約数和(自身を除く): 23130221024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 128, 152, 236, 256, 304, 472, 608, 944, 1121, 1216, 1888, 2242, 2432, 3776, 4484, 4864, 7552, 8968, 15104, 17936, 35872, 70901, 71744, 141802, 143488, 283604, 286976, 567208, 1134416, 1347119, 2268832, 2694238, 4183159, 4537664, 5388476, 8366318, 9075328, 10776952, 16732636, 18150656, 21553904, 33465272, 43107808, 66930544, 79480021, 86215616, 133861088, 158960042, 172431232, 267722176, 317920084, 344862464, 535444352, 635840168, 1070888704, 1271680336, 2543360672, 5086721344, 10173442688, 20346885376]

約数ペア:

[(1, 20346885376), (2, 10173442688), (4, 5086721344), (8, 2543360672), (16, 1271680336), (19, 1070888704), (32, 635840168), (38, 535444352), (59, 344862464), (64, 317920084), (76, 267722176), (118, 172431232), (128, 158960042), (152, 133861088), (236, 86215616), (256, 79480021), (304, 66930544), (472, 43107808), (608, 33465272), (944, 21553904), (1121, 18150656), (1216, 16732636), (1888, 10776952), (2242, 9075328), (2432, 8366318), (3776, 5388476), (4484, 4537664), (4864, 4183159), (7552, 2694238), (8968, 2268832), (15104, 1347119), (17936, 1134416), (35872, 567208), (70901, 286976), (71744, 283604), (141802, 143488)]