20071961

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 36

約数和(自身を含む): 26773632

約数和(自身を除く): 6701671

約数列:

[1, 7, 13, 19, 47, 91, 133, 169, 247, 329, 361, 611, 893, 1183, 1729, 2527, 3211, 4277, 4693, 6251, 7943, 11609, 16967, 22477, 32851, 55601, 61009, 81263, 118769, 150917, 220571, 427063, 1056419, 1543997, 2867423, 20071961]

約数ペア:

[(1, 20071961), (7, 2867423), (13, 1543997), (19, 1056419), (47, 427063), (91, 220571), (133, 150917), (169, 118769), (247, 81263), (329, 61009), (361, 55601), (611, 32851), (893, 22477), (1183, 16967), (1729, 11609), (2527, 7943), (3211, 6251), (4277, 4693)]