20534877

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1255

約数の個数: 40

約数和(自身を含む): 35254560

約数和(自身を除く): 14719683

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1213, 1539, 1881, 3639, 5643, 10917, 13343, 16929, 23047, 32751, 40029, 69141, 98253, 120087, 207423, 253517, 360261, 622269, 760551, 1080783, 1866807, 2281653, 6844959, 20534877]

約数ペア:

[(1, 20534877), (3, 6844959), (9, 2281653), (11, 1866807), (19, 1080783), (27, 760551), (33, 622269), (57, 360261), (81, 253517), (99, 207423), (171, 120087), (209, 98253), (297, 69141), (513, 40029), (627, 32751), (891, 23047), (1213, 16929), (1539, 13343), (1881, 10917), (3639, 5643)]