20375872

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 56

約数和(自身を含む): 44695872

約数和(自身を除く): 24320000

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 103, 176, 206, 281, 352, 412, 562, 704, 824, 1124, 1133, 1648, 2248, 2266, 3091, 3296, 4496, 4532, 6182, 6592, 8992, 9064, 12364, 17984, 18128, 24728, 28943, 36256, 49456, 57886, 72512, 98912, 115772, 197824, 231544, 318373, 463088, 636746, 926176, 1273492, 1852352, 2546984, 5093968, 10187936, 20375872]

約数ペア:

[(1, 20375872), (2, 10187936), (4, 5093968), (8, 2546984), (11, 1852352), (16, 1273492), (22, 926176), (32, 636746), (44, 463088), (64, 318373), (88, 231544), (103, 197824), (176, 115772), (206, 98912), (281, 72512), (352, 57886), (412, 49456), (562, 36256), (704, 28943), (824, 24728), (1124, 18128), (1133, 17984), (1648, 12364), (2248, 9064), (2266, 8992), (3091, 6592), (3296, 6182), (4496, 4532)]