20634680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2039}}^1$

素因数の和:2084

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32242120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2039, 2530, 4078, 5060, 8156, 10120, 10195, 16312, 20390, 22429, 40780, 44858, 46897, 81560, 89716, 93794, 112145, 179432, 187588, 224290, 234485, 375176, 448580, 468970, 515867, 897160, 937940, 1031734, 1875880, 2063468, 2579335, 4126936, 5158670, 10317340, 20634680]

約数ペア:

[(1, 20634680), (2, 10317340), (4, 5158670), (5, 4126936), (8, 2579335), (10, 2063468), (11, 1875880), (20, 1031734), (22, 937940), (23, 897160), (40, 515867), (44, 468970), (46, 448580), (55, 375176), (88, 234485), (92, 224290), (110, 187588), (115, 179432), (184, 112145), (220, 93794), (230, 89716), (253, 81560), (440, 46897), (460, 44858), (506, 40780), (920, 22429), (1012, 20390), (1265, 16312), (2024, 10195), (2039, 10120), (2530, 8156), (4078, 5060)]