20100292004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{15733}}^1$

素因数の和:16140

約数の個数: 48

約数和(自身を含む): 38486622720

約数和(自身を除く): 18386330716

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 311, 316, 622, 1027, 1244, 2054, 4043, 4108, 8086, 15733, 16172, 24569, 31466, 49138, 62932, 98276, 204529, 319397, 409058, 638794, 818116, 1242907, 1277588, 2485814, 4892963, 4971628, 9785926, 16157791, 19571852, 32315582, 63608519, 64631164, 127217038, 254434076, 386544077, 773088154, 1546176308, 5025073001, 10050146002, 20100292004]

約数ペア:

[(1, 20100292004), (2, 10050146002), (4, 5025073001), (13, 1546176308), (26, 773088154), (52, 386544077), (79, 254434076), (158, 127217038), (311, 64631164), (316, 63608519), (622, 32315582), (1027, 19571852), (1244, 16157791), (2054, 9785926), (4043, 4971628), (4108, 4892963), (8086, 2485814), (15733, 1277588), (16172, 1242907), (24569, 818116), (31466, 638794), (49138, 409058), (62932, 319397), (98276, 204529)]