20169747

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 33266688

約数和(自身を除く): 13096941

約数列:

[1, 3, 9, 13, 31, 39, 67, 83, 93, 117, 201, 249, 279, 403, 603, 747, 871, 1079, 1209, 2077, 2573, 2613, 3237, 3627, 5561, 6231, 7719, 7839, 9711, 16683, 18693, 23157, 27001, 33449, 50049, 72293, 81003, 100347, 172391, 216879, 243009, 301041, 517173, 650637, 1551519, 2241083, 6723249, 20169747]

約数ペア:

[(1, 20169747), (3, 6723249), (9, 2241083), (13, 1551519), (31, 650637), (39, 517173), (67, 301041), (83, 243009), (93, 216879), (117, 172391), (201, 100347), (249, 81003), (279, 72293), (403, 50049), (603, 33449), (747, 27001), (871, 23157), (1079, 18693), (1209, 16683), (2077, 9711), (2573, 7839), (2613, 7719), (3237, 6231), (3627, 5561)]