20980493655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1\times {\mathrm{941}}^1$

素因数の和:1952

約数の個数: 64

約数和(自身を含む): 36928811520

約数和(自身を除く): 15948317865

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 829, 941, 1793, 2445, 2487, 2823, 4145, 4705, 5379, 8965, 9119, 10351, 12435, 14115, 26895, 27357, 31053, 45595, 51755, 135127, 136785, 153383, 155265, 405381, 460149, 675635, 766915, 780089, 1486397, 1687213, 2026905, 2300745, 2340267, 3900445, 4459191, 5061639, 7431985, 8436065, 8580979, 11701335, 22295955, 25308195, 25742937, 42904895, 127154507, 128714685, 381463521, 635772535, 1398699577, 1907317605, 4196098731, 6993497885, 20980493655]

約数ペア:

[(1, 20980493655), (3, 6993497885), (5, 4196098731), (11, 1907317605), (15, 1398699577), (33, 635772535), (55, 381463521), (163, 128714685), (165, 127154507), (489, 42904895), (815, 25742937), (829, 25308195), (941, 22295955), (1793, 11701335), (2445, 8580979), (2487, 8436065), (2823, 7431985), (4145, 5061639), (4705, 4459191), (5379, 3900445), (8965, 2340267), (9119, 2300745), (10351, 2026905), (12435, 1687213), (14115, 1486397), (26895, 780089), (27357, 766915), (31053, 675635), (45595, 460149), (51755, 405381), (135127, 155265), (136785, 153383)]