20396950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 43863264

約数和(自身を除く): 23466314

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 101, 175, 202, 350, 505, 577, 707, 1010, 1154, 1414, 2525, 2885, 3535, 4039, 5050, 5770, 7070, 8078, 14425, 17675, 20195, 28850, 35350, 40390, 58277, 100975, 116554, 201950, 291385, 407939, 582770, 815878, 1456925, 2039695, 2913850, 4079390, 10198475, 20396950]

約数ペア:

[(1, 20396950), (2, 10198475), (5, 4079390), (7, 2913850), (10, 2039695), (14, 1456925), (25, 815878), (35, 582770), (50, 407939), (70, 291385), (101, 201950), (175, 116554), (202, 100975), (350, 58277), (505, 40390), (577, 35350), (707, 28850), (1010, 20195), (1154, 17675), (1414, 14425), (2525, 8078), (2885, 7070), (3535, 5770), (4039, 5050)]