20199100801

素因数分解:

${\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 22520384640

約数和(自身を除く): 2321283839

約数列:

[1, 11, 107, 157, 281, 389, 1177, 1727, 3091, 4279, 16799, 30067, 41623, 44117, 61073, 109309, 184789, 330737, 457853, 485287, 671803, 1202399, 4720519, 6534811, 11696063, 17161513, 51925709, 71882921, 128656693, 188776643, 1836281891, 20199100801]

約数ペア:

[(1, 20199100801), (11, 1836281891), (107, 188776643), (157, 128656693), (281, 71882921), (389, 51925709), (1177, 17161513), (1727, 11696063), (3091, 6534811), (4279, 4720519), (16799, 1202399), (30067, 671803), (41623, 485287), (44117, 457853), (61073, 330737), (109309, 184789)]