20135973

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 13648155

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 251, 363, 429, 561, 663, 753, 1573, 2057, 2431, 2761, 3263, 4267, 4719, 6171, 7293, 8283, 9789, 12801, 26741, 30371, 35893, 46937, 55471, 80223, 91113, 107679, 140811, 166413, 394823, 516307, 610181, 1184469, 1548921, 1830543, 6711991, 20135973]

約数ペア:

[(1, 20135973), (3, 6711991), (11, 1830543), (13, 1548921), (17, 1184469), (33, 610181), (39, 516307), (51, 394823), (121, 166413), (143, 140811), (187, 107679), (221, 91113), (251, 80223), (363, 55471), (429, 46937), (561, 35893), (663, 30371), (753, 26741), (1573, 12801), (2057, 9789), (2431, 8283), (2761, 7293), (3263, 6171), (4267, 4719)]