20742175035

素因数分解:

$3^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21803}}^1$

素因数の和:21861

約数の個数: 72

約数和(自身を含む): 38623169520

約数和(自身を除く): 17880994485

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 729, 783, 1215, 1305, 2187, 2349, 3645, 3915, 6561, 7047, 10935, 11745, 21141, 21803, 32805, 35235, 63423, 65409, 105705, 109015, 190269, 196227, 317115, 327045, 588681, 632287, 951345, 981135, 1766043, 1896861, 2943405, 3161435, 5298129, 5690583, 8830215, 9484305, 15894387, 17071749, 26490645, 28452915, 47683161, 51215247, 79471935, 85358745, 143049483, 153645741, 238415805, 256076235, 460937223, 715247415, 768228705, 1382811669, 2304686115, 4148435007, 6914058345, 20742175035]

約数ペア:

[(1, 20742175035), (3, 6914058345), (5, 4148435007), (9, 2304686115), (15, 1382811669), (27, 768228705), (29, 715247415), (45, 460937223), (81, 256076235), (87, 238415805), (135, 153645741), (145, 143049483), (243, 85358745), (261, 79471935), (405, 51215247), (435, 47683161), (729, 28452915), (783, 26490645), (1215, 17071749), (1305, 15894387), (2187, 9484305), (2349, 8830215), (3645, 5690583), (3915, 5298129), (6561, 3161435), (7047, 2943405), (10935, 1896861), (11745, 1766043), (21141, 981135), (21803, 951345), (32805, 632287), (35235, 588681), (63423, 327045), (65409, 317115), (105705, 196227), (109015, 190269)]