20199315255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{240769}}^1$

素因数の和:240848

約数の個数: 64

約数和(自身を含む): 39940853760

約数和(自身を除く): 19741538505

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 47, 51, 85, 105, 119, 141, 235, 255, 329, 357, 595, 705, 799, 987, 1645, 1785, 2397, 3995, 4935, 5593, 11985, 16779, 27965, 83895, 240769, 722307, 1203845, 1685383, 3611535, 4093073, 5056149, 8426915, 11316143, 12279219, 20465365, 25280745, 28651511, 33948429, 56580715, 61396095, 79213001, 85954533, 143257555, 169742145, 192374431, 237639003, 396065005, 429772665, 577123293, 961872155, 1188195015, 1346621017, 2885616465, 4039863051, 6733105085, 20199315255]

約数ペア:

[(1, 20199315255), (3, 6733105085), (5, 4039863051), (7, 2885616465), (15, 1346621017), (17, 1188195015), (21, 961872155), (35, 577123293), (47, 429772665), (51, 396065005), (85, 237639003), (105, 192374431), (119, 169742145), (141, 143257555), (235, 85954533), (255, 79213001), (329, 61396095), (357, 56580715), (595, 33948429), (705, 28651511), (799, 25280745), (987, 20465365), (1645, 12279219), (1785, 11316143), (2397, 8426915), (3995, 5056149), (4935, 4093073), (5593, 3611535), (11985, 1685383), (16779, 1203845), (27965, 722307), (83895, 240769)]