20757660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4493}}^1$

素因数の和:4523

約数の個数: 96

約数和(自身を含む): 72479232

約数和(自身を除く): 51721572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4493, 4620, 8986, 13479, 17972, 22465, 26958, 31451, 44930, 49423, 53916, 62902, 67395, 89860, 94353, 98846, 125804, 134790, 148269, 157255, 188706, 197692, 247115, 269580, 296538, 314510, 345961, 377412, 471765, 494230, 593076, 629020, 691922, 741345, 943530, 988460, 1037883, 1383844, 1482690, 1729805, 1887060, 2075766, 2965380, 3459610, 4151532, 5189415, 6919220, 10378830, 20757660]

約数ペア:

[(1, 20757660), (2, 10378830), (3, 6919220), (4, 5189415), (5, 4151532), (6, 3459610), (7, 2965380), (10, 2075766), (11, 1887060), (12, 1729805), (14, 1482690), (15, 1383844), (20, 1037883), (21, 988460), (22, 943530), (28, 741345), (30, 691922), (33, 629020), (35, 593076), (42, 494230), (44, 471765), (55, 377412), (60, 345961), (66, 314510), (70, 296538), (77, 269580), (84, 247115), (105, 197692), (110, 188706), (132, 157255), (140, 148269), (154, 134790), (165, 125804), (210, 98846), (220, 94353), (231, 89860), (308, 67395), (330, 62902), (385, 53916), (420, 49423), (462, 44930), (660, 31451), (770, 26958), (924, 22465), (1155, 17972), (1540, 13479), (2310, 8986), (4493, 4620)]