20136585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 20298615

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 145, 203, 255, 357, 389, 435, 493, 595, 609, 1015, 1167, 1479, 1785, 1945, 2465, 2723, 3045, 3451, 5835, 6613, 7395, 8169, 10353, 11281, 13615, 17255, 19839, 33065, 33843, 40845, 46291, 51765, 56405, 78967, 99195, 138873, 169215, 191777, 231455, 236901, 394835, 575331, 694365, 958885, 1184505, 1342439, 2876655, 4027317, 6712195, 20136585]

約数ペア:

[(1, 20136585), (3, 6712195), (5, 4027317), (7, 2876655), (15, 1342439), (17, 1184505), (21, 958885), (29, 694365), (35, 575331), (51, 394835), (85, 236901), (87, 231455), (105, 191777), (119, 169215), (145, 138873), (203, 99195), (255, 78967), (357, 56405), (389, 51765), (435, 46291), (493, 40845), (595, 33843), (609, 33065), (1015, 19839), (1167, 17255), (1479, 13615), (1785, 11281), (1945, 10353), (2465, 8169), (2723, 7395), (3045, 6613), (3451, 5835)]