20164028045

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1\times {\mathrm{7963}}^1$

素因数の和:9065

約数の個数: 32

約数和(自身を含む): 28074055680

約数和(自身を除く): 7910027635

約数列:

[1, 5, 7, 35, 71, 355, 497, 1019, 2485, 5095, 7133, 7963, 35665, 39815, 55741, 72349, 278705, 361745, 506443, 565373, 2532215, 2826865, 3957611, 8114297, 19788055, 40571485, 56800079, 284000395, 576115087, 2880575435, 4032805609, 20164028045]

約数ペア:

[(1, 20164028045), (5, 4032805609), (7, 2880575435), (35, 576115087), (71, 284000395), (355, 56800079), (497, 40571485), (1019, 19788055), (2485, 8114297), (5095, 3957611), (7133, 2826865), (7963, 2532215), (35665, 565373), (39815, 506443), (55741, 361745), (72349, 278705)]