2020122

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 4815720

約数和(自身を除く): 2795598

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 97, 117, 178, 194, 234, 267, 291, 534, 582, 801, 873, 1157, 1261, 1602, 1746, 2314, 2522, 3471, 3783, 6942, 7566, 8633, 10413, 11349, 17266, 20826, 22698, 25899, 51798, 77697, 112229, 155394, 224458, 336687, 673374, 1010061, 2020122]

約数ペア:

[(1, 2020122), (2, 1010061), (3, 673374), (6, 336687), (9, 224458), (13, 155394), (18, 112229), (26, 77697), (39, 51798), (78, 25899), (89, 22698), (97, 20826), (117, 17266), (178, 11349), (194, 10413), (234, 8633), (267, 7566), (291, 6942), (534, 3783), (582, 3471), (801, 2522), (873, 2314), (1157, 1746), (1261, 1602)]