20123132379

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{29021}}^1$

素因数の和:29180

約数の個数: 48

約数和(自身を含む): 32158697760

約数和(自身を除く): 12035565381

約数列:

[1, 3, 7, 21, 49, 53, 89, 147, 159, 267, 371, 623, 1113, 1869, 2597, 4361, 4717, 7791, 13083, 14151, 29021, 33019, 87063, 99057, 203147, 231133, 609441, 693399, 1422029, 1538113, 2582869, 4266087, 4614339, 7748607, 10766791, 18080083, 32300373, 54240249, 75367537, 126560581, 136892057, 226102611, 379681743, 410676171, 958244399, 2874733197, 6707710793, 20123132379]

約数ペア:

[(1, 20123132379), (3, 6707710793), (7, 2874733197), (21, 958244399), (49, 410676171), (53, 379681743), (89, 226102611), (147, 136892057), (159, 126560581), (267, 75367537), (371, 54240249), (623, 32300373), (1113, 18080083), (1869, 10766791), (2597, 7748607), (4361, 4614339), (4717, 4266087), (7791, 2582869), (13083, 1538113), (14151, 1422029), (29021, 693399), (33019, 609441), (87063, 231133), (99057, 203147)]