20870694

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 49358400

約数和(自身を除く): 28487706

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1129, 1422, 2054, 2258, 3081, 3387, 6162, 6774, 9243, 10161, 14677, 18486, 20322, 29354, 44031, 88062, 89191, 132093, 178382, 264186, 267573, 535146, 802719, 1159483, 1605438, 2318966, 3478449, 6956898, 10435347, 20870694]

約数ペア:

[(1, 20870694), (2, 10435347), (3, 6956898), (6, 3478449), (9, 2318966), (13, 1605438), (18, 1159483), (26, 802719), (39, 535146), (78, 267573), (79, 264186), (117, 178382), (158, 132093), (234, 89191), (237, 88062), (474, 44031), (711, 29354), (1027, 20322), (1129, 18486), (1422, 14677), (2054, 10161), (2258, 9243), (3081, 6774), (3387, 6162)]