20511165500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{189043}}^1$

素因数の和:189100

約数の個数: 96

約数和(自身を含む): 52847628288

約数和(自身を除く): 32336462788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 175, 217, 250, 310, 350, 434, 500, 620, 700, 775, 868, 875, 1085, 1550, 1750, 2170, 3100, 3500, 3875, 4340, 5425, 7750, 10850, 15500, 21700, 27125, 54250, 108500, 189043, 378086, 756172, 945215, 1323301, 1890430, 2646602, 3780860, 4726075, 5293204, 5860333, 6616505, 9452150, 11720666, 13233010, 18904300, 23441332, 23630375, 26466020, 29301665, 33082525, 41022331, 47260750, 58603330, 66165050, 82044662, 94521500, 117206660, 132330100, 146508325, 164089324, 165412625, 205111655, 293016650, 330825250, 410223310, 586033300, 661650500, 732541625, 820446620, 1025558275, 1465083250, 2051116550, 2930166500, 4102233100, 5127791375, 10255582750, 20511165500]

約数ペア:

[(1, 20511165500), (2, 10255582750), (4, 5127791375), (5, 4102233100), (7, 2930166500), (10, 2051116550), (14, 1465083250), (20, 1025558275), (25, 820446620), (28, 732541625), (31, 661650500), (35, 586033300), (50, 410223310), (62, 330825250), (70, 293016650), (100, 205111655), (124, 165412625), (125, 164089324), (140, 146508325), (155, 132330100), (175, 117206660), (217, 94521500), (250, 82044662), (310, 66165050), (350, 58603330), (434, 47260750), (500, 41022331), (620, 33082525), (700, 29301665), (775, 26466020), (868, 23630375), (875, 23441332), (1085, 18904300), (1550, 13233010), (1750, 11720666), (2170, 9452150), (3100, 6616505), (3500, 5860333), (3875, 5293204), (4340, 4726075), (5425, 3780860), (7750, 2646602), (10850, 1890430), (15500, 1323301), (21700, 945215), (27125, 756172), (54250, 378086), (108500, 189043)]