20555838

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 26450082

約数列:

[1, 2, 3, 6, 9, 18, 29, 53, 58, 87, 106, 159, 174, 261, 318, 477, 522, 743, 954, 1486, 1537, 2229, 3074, 4458, 4611, 6687, 9222, 13374, 13833, 21547, 27666, 39379, 43094, 64641, 78758, 118137, 129282, 193923, 236274, 354411, 387846, 708822, 1141991, 2283982, 3425973, 6851946, 10277919, 20555838]

約数ペア:

[(1, 20555838), (2, 10277919), (3, 6851946), (6, 3425973), (9, 2283982), (18, 1141991), (29, 708822), (53, 387846), (58, 354411), (87, 236274), (106, 193923), (159, 129282), (174, 118137), (261, 78758), (318, 64641), (477, 43094), (522, 39379), (743, 27666), (954, 21547), (1486, 13833), (1537, 13374), (2229, 9222), (3074, 6687), (4458, 4611)]