20149931421

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 29799124992

約数和(自身を除く): 9649193571

約数列:

[1, 3, 9, 71, 213, 281, 293, 383, 639, 843, 879, 1149, 2529, 2637, 3447, 19951, 20803, 27193, 59853, 62409, 81579, 82333, 107623, 112219, 179559, 187227, 244737, 246999, 322869, 336657, 740997, 968607, 1009971, 5845643, 7641233, 7967549, 17536929, 22923699, 23902647, 31533539, 52610787, 68771097, 71707941, 94600617, 283801851, 2238881269, 6716643807, 20149931421]

約数ペア:

[(1, 20149931421), (3, 6716643807), (9, 2238881269), (71, 283801851), (213, 94600617), (281, 71707941), (293, 68771097), (383, 52610787), (639, 31533539), (843, 23902647), (879, 22923699), (1149, 17536929), (2529, 7967549), (2637, 7641233), (3447, 5845643), (19951, 1009971), (20803, 968607), (27193, 740997), (59853, 336657), (62409, 322869), (81579, 246999), (82333, 244737), (107623, 187227), (112219, 179559)]