20446052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 42262080

約数和(自身を除く): 21816028

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 661, 703, 814, 836, 1322, 1406, 1628, 2644, 2812, 7271, 7733, 12559, 14542, 15466, 24457, 25118, 29084, 30932, 48914, 50236, 97828, 138149, 269027, 276298, 464683, 538054, 552596, 929366, 1076108, 1858732, 5111513, 10223026, 20446052]

約数ペア:

[(1, 20446052), (2, 10223026), (4, 5111513), (11, 1858732), (19, 1076108), (22, 929366), (37, 552596), (38, 538054), (44, 464683), (74, 276298), (76, 269027), (148, 138149), (209, 97828), (407, 50236), (418, 48914), (661, 30932), (703, 29084), (814, 25118), (836, 24457), (1322, 15466), (1406, 14542), (1628, 12559), (2644, 7733), (2812, 7271)]