20099777799

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{12289}}^1$

素因数の和:12775

約数の個数: 32

約数和(自身を含む): 28379084800

約数和(自身を除く): 8279307001

約数列:

[1, 3, 31, 43, 93, 129, 409, 1227, 1333, 3999, 12289, 12679, 17587, 36867, 38037, 52761, 380959, 528427, 545197, 1142877, 1585281, 1635591, 5026201, 15078603, 16381237, 49143711, 155812231, 216126643, 467436693, 648379929, 6699925933, 20099777799]

約数ペア:

[(1, 20099777799), (3, 6699925933), (31, 648379929), (43, 467436693), (93, 216126643), (129, 155812231), (409, 49143711), (1227, 16381237), (1333, 15078603), (3999, 5026201), (12289, 1635591), (12679, 1585281), (17587, 1142877), (36867, 545197), (38037, 528427), (52761, 380959)]