20710361745

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1663}}^1\times {\mathrm{3181}}^1$

素因数の和:4887

約数の個数: 64

約数和(自身を含む): 38122905600

約数和(自身を除く): 17412543855

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 1663, 3181, 3915, 4989, 8315, 9543, 14967, 15905, 24945, 28629, 44901, 47715, 48227, 74835, 85887, 92249, 143145, 144681, 224505, 241135, 276747, 429435, 434043, 461245, 723405, 830241, 1302129, 1383735, 2170215, 2490723, 4151205, 5290003, 6510645, 12453615, 15870009, 26450015, 47610027, 79350045, 142830081, 153410087, 238050135, 460230261, 714150405, 767050435, 1380690783, 2301151305, 4142072349, 6903453915, 20710361745]

約数ペア:

[(1, 20710361745), (3, 6903453915), (5, 4142072349), (9, 2301151305), (15, 1380690783), (27, 767050435), (29, 714150405), (45, 460230261), (87, 238050135), (135, 153410087), (145, 142830081), (261, 79350045), (435, 47610027), (783, 26450015), (1305, 15870009), (1663, 12453615), (3181, 6510645), (3915, 5290003), (4989, 4151205), (8315, 2490723), (9543, 2170215), (14967, 1383735), (15905, 1302129), (24945, 830241), (28629, 723405), (44901, 461245), (47715, 434043), (48227, 429435), (74835, 276747), (85887, 241135), (92249, 224505), (143145, 144681)]