20137356784

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1307}}^1\times {\mathrm{18169}}^1$

素因数の和:19537

約数の個数: 40

約数和(自身を含む): 39784886640

約数和(自身を除く): 19647529856

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1307, 2614, 5228, 10456, 18169, 20912, 36338, 69271, 72676, 138542, 145352, 277084, 290704, 554168, 962957, 1108336, 1925914, 3851828, 7703656, 15407312, 23746883, 47493766, 94987532, 189975064, 379950128, 1258584799, 2517169598, 5034339196, 10068678392, 20137356784]

約数ペア:

[(1, 20137356784), (2, 10068678392), (4, 5034339196), (8, 2517169598), (16, 1258584799), (53, 379950128), (106, 189975064), (212, 94987532), (424, 47493766), (848, 23746883), (1307, 15407312), (2614, 7703656), (5228, 3851828), (10456, 1925914), (18169, 1108336), (20912, 962957), (36338, 554168), (69271, 290704), (72676, 277084), (138542, 145352)]