20551438215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{6763}}^1$

素因数の和:7669

約数の個数: 96

約数和(自身を含む): 44469674496

約数和(自身を除く): 23918236281

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 877, 1155, 2631, 3465, 4385, 6139, 6763, 7893, 9647, 13155, 18417, 20289, 28941, 30695, 33815, 39465, 47341, 48235, 55251, 60867, 67529, 74393, 86823, 92085, 101445, 142023, 144705, 202587, 223179, 236705, 276255, 304335, 337645, 371965, 426069, 434115, 520751, 607761, 669537, 710115, 1012935, 1115895, 1562253, 2130345, 2603755, 3038805, 3347685, 4686759, 5931151, 7811265, 17793453, 23433795, 29655755, 41518057, 53380359, 65242661, 88967265, 124554171, 195727983, 207590285, 266901795, 326213305, 373662513, 456698627, 587183949, 622770855, 978639915, 1370095881, 1868312565, 2283493135, 2935919745, 4110287643, 6850479405, 20551438215]

約数ペア:

[(1, 20551438215), (3, 6850479405), (5, 4110287643), (7, 2935919745), (9, 2283493135), (11, 1868312565), (15, 1370095881), (21, 978639915), (33, 622770855), (35, 587183949), (45, 456698627), (55, 373662513), (63, 326213305), (77, 266901795), (99, 207590285), (105, 195727983), (165, 124554171), (231, 88967265), (315, 65242661), (385, 53380359), (495, 41518057), (693, 29655755), (877, 23433795), (1155, 17793453), (2631, 7811265), (3465, 5931151), (4385, 4686759), (6139, 3347685), (6763, 3038805), (7893, 2603755), (9647, 2130345), (13155, 1562253), (18417, 1115895), (20289, 1012935), (28941, 710115), (30695, 669537), (33815, 607761), (39465, 520751), (47341, 434115), (48235, 426069), (55251, 371965), (60867, 337645), (67529, 304335), (74393, 276255), (86823, 236705), (92085, 223179), (101445, 202587), (142023, 144705)]