20205025680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12026801}}^1$

素因数の和:12026824

約数の個数: 80

約数和(自身を含む): 71583525504

約数和(自身を除く): 51378499824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12026801, 24053602, 36080403, 48107204, 60134005, 72160806, 84187607, 96214408, 120268010, 144321612, 168375214, 180402015, 192428816, 240536020, 252562821, 288643224, 336750428, 360804030, 420938035, 481072040, 505125642, 577286448, 673500856, 721608060, 841876070, 962144080, 1010251284, 1262814105, 1347001712, 1443216120, 1683752140, 2020502568, 2525628210, 2886432240, 3367504280, 4041005136, 5051256420, 6735008560, 10102512840, 20205025680]

約数ペア:

[(1, 20205025680), (2, 10102512840), (3, 6735008560), (4, 5051256420), (5, 4041005136), (6, 3367504280), (7, 2886432240), (8, 2525628210), (10, 2020502568), (12, 1683752140), (14, 1443216120), (15, 1347001712), (16, 1262814105), (20, 1010251284), (21, 962144080), (24, 841876070), (28, 721608060), (30, 673500856), (35, 577286448), (40, 505125642), (42, 481072040), (48, 420938035), (56, 360804030), (60, 336750428), (70, 288643224), (80, 252562821), (84, 240536020), (105, 192428816), (112, 180402015), (120, 168375214), (140, 144321612), (168, 120268010), (210, 96214408), (240, 84187607), (280, 72160806), (336, 60134005), (420, 48107204), (560, 36080403), (840, 24053602), (1680, 12026801)]