20121462725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{31253}}^1$

素因数の和:31566

約数の個数: 48

約数和(自身を含む): 30817944192

約数和(自身を除く): 10696481467

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 283, 325, 455, 1415, 1981, 2275, 3679, 7075, 9905, 18395, 25753, 31253, 49525, 91975, 128765, 156265, 218771, 406289, 643825, 781325, 1093855, 2031445, 2844023, 5469275, 8844599, 10157225, 14220115, 44222995, 61912193, 71100575, 114979787, 221114975, 309560965, 574898935, 804858509, 1547804825, 2874494675, 4024292545, 20121462725]

約数ペア:

[(1, 20121462725), (5, 4024292545), (7, 2874494675), (13, 1547804825), (25, 804858509), (35, 574898935), (65, 309560965), (91, 221114975), (175, 114979787), (283, 71100575), (325, 61912193), (455, 44222995), (1415, 14220115), (1981, 10157225), (2275, 8844599), (3679, 5469275), (7075, 2844023), (9905, 2031445), (18395, 1093855), (25753, 781325), (31253, 643825), (49525, 406289), (91975, 218771), (128765, 156265)]