20015050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 41050944

約数和(自身を除く): 21035894

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 151, 241, 275, 302, 482, 550, 755, 1205, 1510, 1661, 2410, 2651, 3322, 3775, 5302, 6025, 7550, 8305, 12050, 13255, 16610, 26510, 36391, 41525, 66275, 72782, 83050, 132550, 181955, 363910, 400301, 800602, 909775, 1819550, 2001505, 4003010, 10007525, 20015050]

約数ペア:

[(1, 20015050), (2, 10007525), (5, 4003010), (10, 2001505), (11, 1819550), (22, 909775), (25, 800602), (50, 400301), (55, 363910), (110, 181955), (151, 132550), (241, 83050), (275, 72782), (302, 66275), (482, 41525), (550, 36391), (755, 26510), (1205, 16610), (1510, 13255), (1661, 12050), (2410, 8305), (2651, 7550), (3322, 6025), (3775, 5302)]