20165571465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{38287}}^1$

素因数の和:38418

約数の個数: 64

約数和(自身を含む): 36175727616

約数和(自身を除く): 16010156151

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 73, 111, 185, 195, 219, 365, 481, 555, 949, 1095, 1443, 2405, 2701, 2847, 4745, 7215, 8103, 13505, 14235, 35113, 38287, 40515, 105339, 114861, 175565, 191435, 497731, 526695, 574305, 1416619, 1493193, 2488655, 2794951, 4249857, 7083095, 7465965, 8384853, 13974755, 18416047, 21249285, 36334363, 41924265, 55248141, 92080235, 103413187, 109003089, 181671815, 276240705, 310239561, 517065935, 545015445, 1344371431, 1551197805, 4033114293, 6721857155, 20165571465]

約数ペア:

[(1, 20165571465), (3, 6721857155), (5, 4033114293), (13, 1551197805), (15, 1344371431), (37, 545015445), (39, 517065935), (65, 310239561), (73, 276240705), (111, 181671815), (185, 109003089), (195, 103413187), (219, 92080235), (365, 55248141), (481, 41924265), (555, 36334363), (949, 21249285), (1095, 18416047), (1443, 13974755), (2405, 8384853), (2701, 7465965), (2847, 7083095), (4745, 4249857), (7215, 2794951), (8103, 2488655), (13505, 1493193), (14235, 1416619), (35113, 574305), (38287, 526695), (40515, 497731), (105339, 191435), (114861, 175565)]