20199377312

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{22171}}^1$

素因数の和:22653

約数の個数: 48

約数和(自身を含む): 40430021184

約数和(自身を除く): 20230643872

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 401, 568, 802, 1136, 1604, 2272, 3208, 6416, 12832, 22171, 28471, 44342, 56942, 88684, 113884, 177368, 227768, 354736, 455536, 709472, 911072, 1574141, 3148282, 6296564, 8890571, 12593128, 17781142, 25186256, 35562284, 50372512, 71124568, 142249136, 284498272, 631230541, 1262461082, 2524922164, 5049844328, 10099688656, 20199377312]

約数ペア:

[(1, 20199377312), (2, 10099688656), (4, 5049844328), (8, 2524922164), (16, 1262461082), (32, 631230541), (71, 284498272), (142, 142249136), (284, 71124568), (401, 50372512), (568, 35562284), (802, 25186256), (1136, 17781142), (1604, 12593128), (2272, 8890571), (3208, 6296564), (6416, 3148282), (12832, 1574141), (22171, 911072), (28471, 709472), (44342, 455536), (56942, 354736), (88684, 227768), (113884, 177368)]