20171855492

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{161411}}^1$

素因数の和:161771

約数の個数: 24

約数和(自身を含む): 35704334400

約数和(自身を除く): 15532478908

約数列:

[1, 2, 4, 157, 199, 314, 398, 628, 796, 31243, 62486, 124972, 161411, 322822, 645644, 25341527, 32120789, 50683054, 64241578, 101366108, 128483156, 5042963873, 10085927746, 20171855492]

約数ペア:

[(1, 20171855492), (2, 10085927746), (4, 5042963873), (157, 128483156), (199, 101366108), (314, 64241578), (398, 50683054), (628, 32120789), (796, 25341527), (31243, 645644), (62486, 322822), (124972, 161411)]