20198596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 41751360

約数和(自身を除く): 21552764

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 653, 703, 814, 836, 1306, 1406, 1628, 2612, 2812, 7183, 7733, 12407, 14366, 15466, 24161, 24814, 28732, 30932, 48322, 49628, 96644, 136477, 265771, 272954, 459059, 531542, 545908, 918118, 1063084, 1836236, 5049649, 10099298, 20198596]

約数ペア:

[(1, 20198596), (2, 10099298), (4, 5049649), (11, 1836236), (19, 1063084), (22, 918118), (37, 545908), (38, 531542), (44, 459059), (74, 272954), (76, 265771), (148, 136477), (209, 96644), (407, 49628), (418, 48322), (653, 30932), (703, 28732), (814, 24814), (836, 24161), (1306, 15466), (1406, 14366), (1628, 12407), (2612, 7733), (2812, 7183)]