20365050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 50925312

約数和(自身を除く): 30560262

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 137, 150, 274, 411, 685, 822, 991, 1370, 1982, 2055, 2973, 3425, 4110, 4955, 5946, 6850, 9910, 10275, 14865, 20550, 24775, 29730, 49550, 74325, 135767, 148650, 271534, 407301, 678835, 814602, 1357670, 2036505, 3394175, 4073010, 6788350, 10182525, 20365050]

約数ペア:

[(1, 20365050), (2, 10182525), (3, 6788350), (5, 4073010), (6, 3394175), (10, 2036505), (15, 1357670), (25, 814602), (30, 678835), (50, 407301), (75, 271534), (137, 148650), (150, 135767), (274, 74325), (411, 49550), (685, 29730), (822, 24775), (991, 20550), (1370, 14865), (1982, 10275), (2055, 9910), (2973, 6850), (3425, 5946), (4110, 4955)]