20611700480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2300413}}^1$

素因数の和:2300441

約数の個数: 72

約数和(自身を含む): 56424554592

約数和(自身を除く): 35812854112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 2300413, 4600826, 9201652, 11502065, 16102891, 18403304, 23004130, 32205782, 36806608, 46008260, 64411564, 73613216, 80514455, 92016520, 128823128, 147226432, 161028910, 184033040, 257646256, 294452864, 322057820, 368066080, 515292512, 588905728, 644115640, 736132160, 1030585024, 1288231280, 1472264320, 2061170048, 2576462560, 2944528640, 4122340096, 5152925120, 10305850240, 20611700480]

約数ペア:

[(1, 20611700480), (2, 10305850240), (4, 5152925120), (5, 4122340096), (7, 2944528640), (8, 2576462560), (10, 2061170048), (14, 1472264320), (16, 1288231280), (20, 1030585024), (28, 736132160), (32, 644115640), (35, 588905728), (40, 515292512), (56, 368066080), (64, 322057820), (70, 294452864), (80, 257646256), (112, 184033040), (128, 161028910), (140, 147226432), (160, 128823128), (224, 92016520), (256, 80514455), (280, 73613216), (320, 64411564), (448, 46008260), (560, 36806608), (640, 32205782), (896, 23004130), (1120, 18403304), (1280, 16102891), (1792, 11502065), (2240, 9201652), (4480, 4600826), (8960, 2300413)]