20359131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10606629

約数列:

[1, 3, 13, 29, 39, 47, 87, 141, 377, 383, 611, 1131, 1149, 1363, 1833, 4089, 4979, 11107, 14937, 17719, 18001, 33321, 53157, 54003, 144391, 234013, 433173, 522029, 702039, 1566087, 6786377, 20359131]

約数ペア:

[(1, 20359131), (3, 6786377), (13, 1566087), (29, 702039), (39, 522029), (47, 433173), (87, 234013), (141, 144391), (377, 54003), (383, 53157), (611, 33321), (1131, 18001), (1149, 17719), (1363, 14937), (1833, 11107), (4089, 4979)]