20132420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35751100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 769, 770, 935, 1190, 1309, 1538, 1540, 1870, 2380, 2618, 3076, 3740, 3845, 5236, 5383, 6545, 7690, 8459, 10766, 13073, 13090, 15380, 16918, 21532, 26146, 26180, 26915, 33836, 42295, 52292, 53830, 59213, 65365, 84590, 91511, 107660, 118426, 130730, 143803, 169180, 183022, 236852, 261460, 287606, 296065, 366044, 457555, 575212, 592130, 719015, 915110, 1006621, 1184260, 1438030, 1830220, 2013242, 2876060, 4026484, 5033105, 10066210, 20132420]

約数ペア:

[(1, 20132420), (2, 10066210), (4, 5033105), (5, 4026484), (7, 2876060), (10, 2013242), (11, 1830220), (14, 1438030), (17, 1184260), (20, 1006621), (22, 915110), (28, 719015), (34, 592130), (35, 575212), (44, 457555), (55, 366044), (68, 296065), (70, 287606), (77, 261460), (85, 236852), (110, 183022), (119, 169180), (140, 143803), (154, 130730), (170, 118426), (187, 107660), (220, 91511), (238, 84590), (308, 65365), (340, 59213), (374, 53830), (385, 52292), (476, 42295), (595, 33836), (748, 26915), (769, 26180), (770, 26146), (935, 21532), (1190, 16918), (1309, 15380), (1538, 13090), (1540, 13073), (1870, 10766), (2380, 8459), (2618, 7690), (3076, 6545), (3740, 5383), (3845, 5236)]