20958436920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1800553}}^1$

素因数の和:1800664

約数の個数: 64

約数和(自身を含む): 63523545120

約数和(自身を除く): 42565108200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 1800553, 3601106, 5401659, 7202212, 9002765, 10803318, 14404424, 18005530, 21606636, 27008295, 36011060, 43213272, 54016590, 72022120, 108033180, 174653641, 216066360, 349307282, 523960923, 698614564, 873268205, 1047921846, 1397229128, 1746536410, 2095843692, 2619804615, 3493072820, 4191687384, 5239609230, 6986145640, 10479218460, 20958436920]

約数ペア:

[(1, 20958436920), (2, 10479218460), (3, 6986145640), (4, 5239609230), (5, 4191687384), (6, 3493072820), (8, 2619804615), (10, 2095843692), (12, 1746536410), (15, 1397229128), (20, 1047921846), (24, 873268205), (30, 698614564), (40, 523960923), (60, 349307282), (97, 216066360), (120, 174653641), (194, 108033180), (291, 72022120), (388, 54016590), (485, 43213272), (582, 36011060), (776, 27008295), (970, 21606636), (1164, 18005530), (1455, 14404424), (1940, 10803318), (2328, 9002765), (2910, 7202212), (3880, 5401659), (5820, 3601106), (11640, 1800553)]