20309632

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1233

約数の個数: 64

約数和(自身を含む): 48715200

約数和(自身を除く): 28405568

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1193, 1216, 2128, 2386, 2432, 4256, 4772, 8351, 8512, 9544, 16702, 17024, 19088, 22667, 33404, 38176, 45334, 66808, 76352, 90668, 133616, 152704, 158669, 181336, 267232, 317338, 362672, 534464, 634676, 725344, 1068928, 1269352, 1450688, 2538704, 2901376, 5077408, 10154816, 20309632]

約数ペア:

[(1, 20309632), (2, 10154816), (4, 5077408), (7, 2901376), (8, 2538704), (14, 1450688), (16, 1269352), (19, 1068928), (28, 725344), (32, 634676), (38, 534464), (56, 362672), (64, 317338), (76, 267232), (112, 181336), (128, 158669), (133, 152704), (152, 133616), (224, 90668), (266, 76352), (304, 66808), (448, 45334), (532, 38176), (608, 33404), (896, 22667), (1064, 19088), (1193, 17024), (1216, 16702), (2128, 9544), (2386, 8512), (2432, 8351), (4256, 4772)]