20199451208

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{2539}}^1\times {\mathrm{3539}}^1$

素因数の和:6365

約数の個数: 32

約数和(自身を含む): 38034468000

約数和(自身を除く): 17835016792

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 2539, 3539, 5078, 7078, 10156, 14156, 20312, 28312, 713459, 994459, 1426918, 1988918, 2853836, 3977836, 5707672, 7955672, 8985521, 17971042, 35942084, 71884168, 2524931401, 5049862802, 10099725604, 20199451208]

約数ペア:

[(1, 20199451208), (2, 10099725604), (4, 5049862802), (8, 2524931401), (281, 71884168), (562, 35942084), (1124, 17971042), (2248, 8985521), (2539, 7955672), (3539, 5707672), (5078, 3977836), (7078, 2853836), (10156, 1988918), (14156, 1426918), (20312, 994459), (28312, 713459)]