20123335024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5091937}}^1$

素因数の和:5091977

約数の個数: 40

約数和(自身を含む): 44198021840

約数和(自身を除く): 24074686816

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5091937, 10183874, 20367748, 40735496, 66195181, 81470992, 96746803, 132390362, 193493606, 264780724, 386987212, 529561448, 773974424, 1059122896, 1257708439, 1547948848, 2515416878, 5030833756, 10061667512, 20123335024]

約数ペア:

[(1, 20123335024), (2, 10061667512), (4, 5030833756), (8, 2515416878), (13, 1547948848), (16, 1257708439), (19, 1059122896), (26, 773974424), (38, 529561448), (52, 386987212), (76, 264780724), (104, 193493606), (152, 132390362), (208, 96746803), (247, 81470992), (304, 66195181), (494, 40735496), (988, 20367748), (1976, 10183874), (3952, 5091937)]