20853826455

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2579323}}^1$

素因数の和:2579356

約数の個数: 48

約数和(自身を含む): 42342182784

約数和(自身を除く): 21488356329

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 2579323, 7737969, 12896615, 18055261, 28372553, 38689845, 54165783, 85117659, 90276305, 126386827, 141862765, 198607871, 270828915, 379160481, 425588295, 595823613, 631934135, 993039355, 1390255097, 1895802405, 2979118065, 4170765291, 6951275485, 20853826455]

約数ペア:

[(1, 20853826455), (3, 6951275485), (5, 4170765291), (7, 2979118065), (11, 1895802405), (15, 1390255097), (21, 993039355), (33, 631934135), (35, 595823613), (49, 425588295), (55, 379160481), (77, 270828915), (105, 198607871), (147, 141862765), (165, 126386827), (231, 90276305), (245, 85117659), (385, 54165783), (539, 38689845), (735, 28372553), (1155, 18055261), (1617, 12896615), (2695, 7737969), (8085, 2579323)]