20363750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1514

約数の個数: 40

約数和(自身を含む): 41667912

約数和(自身を除く): 21304162

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 1481, 2750, 2962, 6875, 7405, 13750, 14810, 16291, 32582, 37025, 74050, 81455, 162910, 185125, 370250, 407275, 814550, 925625, 1851250, 2036375, 4072750, 10181875, 20363750]

約数ペア:

[(1, 20363750), (2, 10181875), (5, 4072750), (10, 2036375), (11, 1851250), (22, 925625), (25, 814550), (50, 407275), (55, 370250), (110, 185125), (125, 162910), (250, 81455), (275, 74050), (550, 37025), (625, 32582), (1250, 16291), (1375, 14810), (1481, 13750), (2750, 7405), (2962, 6875)]