20095686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 47274864

約数和(自身を除く): 27179178

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 547, 942, 1094, 1413, 1641, 2041, 2826, 3282, 4082, 4923, 6123, 7111, 9846, 12246, 14222, 18369, 21333, 36738, 42666, 63999, 85879, 127998, 171758, 257637, 515274, 772911, 1116427, 1545822, 2232854, 3349281, 6698562, 10047843, 20095686]

約数ペア:

[(1, 20095686), (2, 10047843), (3, 6698562), (6, 3349281), (9, 2232854), (13, 1545822), (18, 1116427), (26, 772911), (39, 515274), (78, 257637), (117, 171758), (157, 127998), (234, 85879), (314, 63999), (471, 42666), (547, 36738), (942, 21333), (1094, 18369), (1413, 14222), (1641, 12246), (2041, 9846), (2826, 7111), (3282, 6123), (4082, 4923)]