20400156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80953}}^1$

素因数の和:80970

約数の個数: 36

約数和(自身を含む): 58934512

約数和(自身を除く): 38534356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80953, 161906, 242859, 323812, 485718, 566671, 728577, 971436, 1133342, 1457154, 1700013, 2266684, 2914308, 3400026, 5100039, 6800052, 10200078, 20400156]

約数ペア:

[(1, 20400156), (2, 10200078), (3, 6800052), (4, 5100039), (6, 3400026), (7, 2914308), (9, 2266684), (12, 1700013), (14, 1457154), (18, 1133342), (21, 971436), (28, 728577), (36, 566671), (42, 485718), (63, 323812), (84, 242859), (126, 161906), (252, 80953)]