20826660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18269}}^1$

素因数の和:18300

約数の個数: 48

約数和(自身を含む): 61387200

約数和(自身を除く): 40560540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18269, 36538, 54807, 73076, 91345, 109614, 182690, 219228, 274035, 347111, 365380, 548070, 694222, 1041333, 1096140, 1388444, 1735555, 2082666, 3471110, 4165332, 5206665, 6942220, 10413330, 20826660]

約数ペア:

[(1, 20826660), (2, 10413330), (3, 6942220), (4, 5206665), (5, 4165332), (6, 3471110), (10, 2082666), (12, 1735555), (15, 1388444), (19, 1096140), (20, 1041333), (30, 694222), (38, 548070), (57, 365380), (60, 347111), (76, 274035), (95, 219228), (114, 182690), (190, 109614), (228, 91345), (285, 73076), (380, 54807), (570, 36538), (1140, 18269)]